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- Category: 3D Printing
- Voron 2.4 Heated Build Platform, Part 3A: Temperature Accuracy (As Built) August 20th, 2023
 - Voron 2.4 Heated Build Platform, Part 2: Z Probe Repeatability July 15th, 2023
 - Voron 2.4 Heated Build Platform, Part 1B: Z Limit Switch Repeatability -- Using Your Tools Correctly July 15th, 2023
 - Voron 2.4 Heated Build Platform, Part 1A: Z Limit Switch Repeatability June 27th, 2023
 - Voron 2.4 -- First 3-mm Filament Prints October 16th, 2022
 - Voron 2.4 Build -- Bed Mesh Leveling Part 1: Correct Configuration September 18th, 2022
 - Voron 2.4 Build -- Z Limit Switch Y Position September 13th, 2022
 - Voron 2.4 Build -- Initial Startup Checks August 29th, 2022
 - Voron 2.4 Build -- Figuring Out Spider Mainboard Fan Connections August 27th, 2022
 - Voron 2.4 Build -- Spider Mainboard Klipper Firmware Installation and Startup August 27th, 2022
 - Voron 2.4 Build -- Fysetc Spider MB Test Firmware August 21st, 2022
 - Random Weekend CAD and Printing June 19th, 2022
 - Musing on Nozzle Height Above Build Surface June 13th, 2022
 - Voron 2.4 Build -- Actual AB Motor Orientation June 1st, 2022
 - Voron 2.4 Build -- Mains Power Panel May 30th, 2022
 - Voron 2.4 Build -- Printhead Assembly May 30th, 2022
 - Voron 2.4 Build -- AB Belts May 27th, 2022
 - Voron 2.4 Build -- Fysetc Custom Parts November 26th, 2021
 - Voron 2.4 Build -- AB Blocks November 25th, 2021
 - Voron 2.4 Build -- Build Plate November 24th, 2021
 - Voron 2.4 Build -- Z Motors November 22nd, 2021 (1)
 - Voron 2.4 Build -- DIN Rail Slots November 21st, 2021
 - Voron 2.4 Build -- Rubber Feet Have Extraneous Screws November 21st, 2021
 - Voron 2.4 Build -- Z Pulley Stack November 21st, 2021
 - Voron 2.4 Build -- Heat-Set Inserts November 21st, 2021
 - Voron 2.4 Build -- Printed Parts November 21st, 2021
 - Voron 2.4 Build -- Z Linear Bearing Placement November 21st, 2021 (1)
 - Voron 2.4 Build -- Roll-in Spring T Nuts November 21st, 2021
 - Voron 2.4 Build -- Frame Assembly November 21st, 2021
 - 0.6-mm Nozzle for Faster Printing September 7th, 2021 (3)
 - The Lawn Under the Lawn August 22nd, 2021
 - Tryna Print Some TPU August 6th, 2021 (2)
 - Blue 3D-Printing Build Surfaces Are Great January 7th, 2021
 - Replacing a Pollcat Power Supply October 3rd, 2020
 - MakerBot CupCake's Triumphant Return, Part Before 1: The Z-Axis Stepper Motor Is Getting Old September 15th, 2020
 - Engineering Construction Set, Part 1: Sticks and Brackets September 14th, 2020 (1)
 - MakerBot CupCake's Triumphant Return, Part 1: The Extruder Motor Is Getting Old September 13th, 2020 (5)
 - Inserting Weights Into a Print October 27th, 2019
 - PLA Shrinks Too October 27th, 2019
 - Calibrating Filament Diameter, Nozzle Temperature, and Extrusion Multiplier October 27th, 2019
 - So I Bought a Prusa i3 MK3S 3D Printer August 15th, 2019
 - Category: Voron
- Voron 2.4 Heated Build Platform, Part 3A: Temperature Accuracy (As Built) August 20th, 2023
 - Voron 2.4 Heated Build Platform, Part 2: Z Probe Repeatability July 15th, 2023
 - Voron 2.4 Heated Build Platform, Part 1B: Z Limit Switch Repeatability -- Using Your Tools Correctly July 15th, 2023
 - Voron 2.4 Heated Build Platform, Part 1A: Z Limit Switch Repeatability June 27th, 2023
 - Voron 2.4 -- First 3-mm Filament Prints October 16th, 2022
 - Voron 2.4 Build -- Bed Mesh Leveling Part 1: Correct Configuration September 18th, 2022
 - Voron 2.4 Build -- Z Limit Switch Y Position September 13th, 2022
 - Voron 2.4 Build -- Initial Startup Checks August 29th, 2022
 - Voron 2.4 Build -- Figuring Out Spider Mainboard Fan Connections August 27th, 2022
 - Voron 2.4 Build -- Spider Mainboard Klipper Firmware Installation and Startup August 27th, 2022
 - Voron 2.4 Build -- Fysetc Spider MB Test Firmware August 21st, 2022
 - Voron 2.4 Build -- Actual AB Motor Orientation June 1st, 2022
 - Voron 2.4 Build -- Mains Power Panel May 30th, 2022
 - Voron 2.4 Build -- Printhead Assembly May 30th, 2022
 - Voron 2.4 Build -- AB Belts May 27th, 2022
 - Voron 2.4 Build -- Fysetc Custom Parts November 26th, 2021
 - Voron 2.4 Build -- AB Blocks November 25th, 2021
 - Voron 2.4 Build -- Build Plate November 24th, 2021
 - Voron 2.4 Build -- Z Motors November 22nd, 2021 (1)
 - Voron 2.4 Build -- DIN Rail Slots November 21st, 2021
 - Voron 2.4 Build -- Rubber Feet Have Extraneous Screws November 21st, 2021
 - Voron 2.4 Build -- Z Pulley Stack November 21st, 2021
 - Voron 2.4 Build -- Heat-Set Inserts November 21st, 2021
 - Voron 2.4 Build -- Printed Parts November 21st, 2021
 - Voron 2.4 Build -- Z Linear Bearing Placement November 21st, 2021 (1)
 - Voron 2.4 Build -- Roll-in Spring T Nuts November 21st, 2021
 - Voron 2.4 Build -- Frame Assembly November 21st, 2021
 
 
 - Category: Advent of Code
- AoC 2023 D8P1: Traversing a Digraph December 9th, 2023
 - AoC 2023 D7P2: Pseudo-Poker Hands with Wildcards December 9th, 2023
 - AoC 2023 D7P1: Pseudo-Poker Hands December 9th, 2023
 - AoC 2023 D6P1, P2: Quadratic Formula or Count December 6th, 2023
 - AoC 2023 D5P2: Interval Intersections December 6th, 2023
 - AoC 2023 D5P1: Integer Ranges December 6th, 2023
 - AoC 2023 D4P2: Caching Coefficients of Future List Elements December 4th, 2023
 - AoC 2023 D4P1: List Searching December 4th, 2023
 - AoC 2023 D3P2: 2D Adjacencies Again December 3rd, 2023
 - AoC 2023 D3P1: 2D Adjacencies December 3rd, 2023
 - AoC 2023 D2P2: Reusing List of Lists of Lists Extraction December 2nd, 2023
 - AoC 2023 D2P1: List of Lists of Lists Extraction December 2nd, 2023
 - AoC 2023 D1P2: Convert Words to Digits December 1st, 2023
 - AoC 2023 D1P1: Extract Digits from Text December 1st, 2023
 - Advent of Code 2023 Starts Friday November 27th, 2023
 - Category: 2023
- AoC 2023 D8P1: Traversing a Digraph December 9th, 2023
 - AoC 2023 D7P2: Pseudo-Poker Hands with Wildcards December 9th, 2023
 - AoC 2023 D7P1: Pseudo-Poker Hands December 9th, 2023
 - AoC 2023 D6P1, P2: Quadratic Formula or Count December 6th, 2023
 - AoC 2023 D5P2: Interval Intersections December 6th, 2023
 - AoC 2023 D5P1: Integer Ranges December 6th, 2023
 - AoC 2023 D4P2: Caching Coefficients of Future List Elements December 4th, 2023
 - AoC 2023 D4P1: List Searching December 4th, 2023
 - AoC 2023 D3P2: 2D Adjacencies Again December 3rd, 2023
 - AoC 2023 D3P1: 2D Adjacencies December 3rd, 2023
 - AoC 2023 D2P2: Reusing List of Lists of Lists Extraction December 2nd, 2023
 - AoC 2023 D2P1: List of Lists of Lists Extraction December 2nd, 2023
 - AoC 2023 D1P2: Convert Words to Digits December 1st, 2023
 - AoC 2023 D1P1: Extract Digits from Text December 1st, 2023
 - Advent of Code 2023 Starts Friday November 27th, 2023
 
 
 - Category: Arcade
- Wanted: An EPROM Programmer that Works on a Mac December 28th, 2012 (5)
 - Bought a Ms Pac-Man May 4th, 2008 (1)
 
 - Category: Arduino
- ESP-WROOM-32 with ST7789 LCD (Wiring, Adafruit_GFX and Adafruit_ST77* Libraries, and Arduino Code) April 17th, 2025
 - ESP32 Modules in Breadboards April 14th, 2025
 - ESP32-WROOM-32 in Arduino IDE April 14th, 2025
 - Getting Started with D-duino-Clone ESP8266 and SSD1306 0.96" OLED Module August 6th, 2021
 - AMPduino [from 2011 Draft] June 22nd, 2018
 - If All You Have Is a Logic Analyzer, Everything Looks Like a Timing Problem June 27th, 2012 (1)
 - Arduino-Compatible "Practice" June 24th, 2012 (5)
 - Monitoring Battery Voltage February 12th, 2011 (17)
 - Transistor-Based Variable Current Drive for LED Calculator September 6th, 2010 (3)
 - Rutgers Student's CupCaked Robot Chassis November 23rd, 2009 (2)
 - Calibrating the CupCake Part 1: Nozzle Temperature September 11th, 2009 (19)
 - Programming the CupCake Motherboard and Extruder September 2nd, 2009 (4)
 - SparkFun Tour August 23rd, 2009 (3)
 - Assembling the CupCake August 17th, 2009 (2)
 - (Mostly) Assembling My CupCake Motherboard May 25th, 2009 (3)
 - Wired IV May 22nd, 2009
 - LM34DZ Fahrenheit Temperature Sensor February 2nd, 2009 (9)
 - "Organic Energy Cloud" Installation January 27th, 2009 (3)
 - Replacing a Dead Arduino FTDI USB-Serial Chip January 19th, 2009 (10)
 - A6276 LED Controllers for "Organic Energy Cloud" December 29th, 2008 (25)
 - Arduino on the Go July 31st, 2008
 - Arduino MIDI Volume Pedal July 12th, 2008 (20)
 - LED Calculator with Rotary Quadrature Encoder for Target System Voltage Selection July 6th, 2008 (32)
 - Free: Boxed Manuals → Cases for Prototyping On the Go? June 25th, 2008 (1)
 - "Airduino" Scungy Anemometer Part 2: Digital Connections and Interrupts June 8th, 2008 (3)
 - "Airduino" Scungy Anemometer Part 1: Detection and Amplification June 8th, 2008 (5)
 - Arduino I<sup>2</sup>C Expansion I/O May 26th, 2008 (127)
 - My First Arduino Shield February 17th, 2008 (15)
 - LED Calculator Prototyped with LCD February 8th, 2008 (18)
 - Arduino USB Auto-Reset Hack December 31st, 2007 (2)
 - LED Puck: Tilt Prototype December 27th, 2007 (6)
 - LED Puck: Tilt Menu Demo December 16th, 2007 (2)
 - Arduino First Impressions August 12th, 2007
 - Arduino Circuits and Tutorial October 15th, 2006
 
 - Category: Audio
- Fixing Jeremy's Ford Mach 460 Bass Amplifier October 2nd, 2010 (4)
 - Repairing a Crumar T1 Organ Swell Pedal August 6th, 2010 (2)
 - Repairing a Bad Horsie 2 Wah Pedal with Power Damage July 7th, 2010 (4)
 - Lacing the x0xb0x Wiring Harnesses June 6th, 2010
 - Building the x0xb0x June 6th, 2010 (3)
 - MIDI Looper? May 31st, 2010 (6)
 - Repairing a Patch Cord May 31st, 2010 (7)
 - x0xb0x Box! May 24th, 2010
 - Replacing a Broken Power Jack on a DBX 266XL Compressor April 11th, 2010
 - "New" Crumar T2 Organ Part 2: Easy Fixes and Investigation January 4th, 2010 (43)
 - Reconing an Eminence JAY7010 Subwoofer Driver January 3rd, 2010 (12)
 - Buying and Assessing a Crumar T2 Organ November 29th, 2009 (17)
 - Installing a Behringer DSP8024 Equalizer and Upgrading Firmware June 8th, 2009 (29)
 
 - Category: AVR
- OS X ATtiny25 Programming Walkthrough July 7th, 2012
 
 - Category: CAD
- Reason #1 to Love OpenSCAD's 2D Subsystem: Fillets June 12th, 2019
 - 3D-Printed Makeblock mBot LiPo Battery Holder June 12th, 2019 (1)
 - Notching a Circle in Inkscape March 3rd, 2012 (2)
 
 - Category: Circuits
- BatchPCB June 17th, 2012 (4)
 - Solar Charging and Switching Circuit for Outdoor Sculpture Installation May 29th, 2011
 - Modifying a Car USB Adapter to (Finally) Charge My Cell Phone May 28th, 2011 (6)
 - Monitoring Battery Voltage February 12th, 2011 (17)
 - Temperature Deviation Alarm Board for PID Crockpot Controller February 11th, 2011 (3)
 - Transistor-Based Variable Current Drive for LED Calculator September 6th, 2010 (3)
 - Gold Phoenix for EasyBright PCB Manufacturing May 24th, 2010 (6)
 - VGA Dongles for Mac Mini Headless Booting August 23rd, 2009 (2)
 - Constant-Current LED String Driver August 1st, 2009 (54)
 - Simple LED Brightness Tester May 25th, 2009
 - Reducing Kickback Noise in Soundcraft Spirit E6 Mixer Switching Power Supply April 26th, 2009 (5)
 - Repairing a Soundcraft Spirit E6 Mixer Switching Power Supply April 19th, 2009 (154)
 - Speaker to Preamp Adapter for Jeremy February 6th, 2009 (7)
 - LM34DZ Fahrenheit Temperature Sensor February 2nd, 2009 (9)
 - Edge-Lit Plexiglas Demo November 6th, 2008 (11)
 - Arduino MIDI Volume Pedal July 12th, 2008 (20)
 - SOIC Breakout Boards May 26th, 2008 (11)
 - LED Calculator Prototyped with LCD February 8th, 2008 (18)
 - LED Calculator Breadboarded February 2nd, 2008 (7)
 - Reverse-Engineering a Flammable Gas Detector November 4th, 2007 (10)
 - Speaker Power Detector October 2nd, 2007 (25)
 - Auto Power Sequencer for SAE A502 and A202 Amplifiers August 7th, 2007 (14)
 - Follow-Up to Driving a Bicolor LED from a Single Output Pin July 1st, 2007
 - Driving a Bicolor LED from a Single Output Pin June 30th, 2007 (14)
 - ResQPOD Circulatory Enhancer Circuit June 23rd, 2007 (1)
 - CdS Photocell April 17th, 2007 (19)
 - PWM Control of a Larger DC Motor April 7th, 2007 (12)
 - Arduino Circuits and Tutorial October 15th, 2006
 - DIY Logic Probe March 13th, 2006 (6)
 
 - Category: CNC
- Rebuilding the CupCake Extruder Heater (When It Wasn't Very Broken) January 29th, 2012 (3)
 - Cooling Fan(s) for Dramatic Improvement in CupCake Print Quality June 12th, 2011 (6)
 - Another CupCake Nozzle Jam, PTFE Thermal Barrier Swarf, Heater Winding, and Glass Transition June 12th, 2011
 - Stratasys ABS Rapid-Prototyping Machine May 30th, 2011 (7)
 - CupCake Wants the Build Platform Temperature Turned Down After the First Layer May 9th, 2011 (3)
 - CupCake Wants a Heated Build Chamber April 24th, 2011 (3)
 - MakerBot CupCake: Print from the SD Card March 27th, 2011 (6)
 - PCB Milling with the MakerBot CupCake: Aluminum Leveling Platform March 19th, 2011 (15)
 - PCB Milling with the MakerBot CupCake: Aluminum Z-Stage Supplement for Rigid Dremel Mounting March 13th, 2011 (2)
 - PCB Milling with the MakerBot CupCake and a Dremel (Almost) March 7th, 2011 (5)
 - PCB Milling with the MakerBot CupCake (Almost) March 6th, 2011 (7)
 - Visiting San Diego October 14th, 2010 (1)
 - MakerBot CupCake Aluminum Idler Wheel and Printing in Plaid Due to Motor Shaft Deflection May 25th, 2010 (1)
 - Glastherm HT Insulation with Glass Standoffs for Hotplates May 3rd, 2010 (5)
 - Glastherm HT: Not So Good for Insulating Hotplates April 19th, 2010 (5)
 - Threaded Pulley for MakerBot CupCake Extruder March 29th, 2010 (6)
 - MakerBot CupCake Heated Extrusion Bed Part 4: Putting It All Together March 20th, 2010 (3)
 - MakerBot CupCake Heated Extrusion Bed Part 3: Ponoko Laser-Cut Acrylic Insulator March 10th, 2010
 - MakerBot CupCake Heated Extrusion Bed Part 2: Milling an Aluminum Plate March 9th, 2010
 - MakerBot CupCake Heated Extrusion Bed Part 1: McWire PCB Heater March 9th, 2010 (10)
 - Relocating the MakerBot CupCake Extruder Controller March 8th, 2010 (5)
 - Fixing CupCake Build Problems December 24th, 2009 (7)
 - Calibrating the CupCake Part 1: Nozzle Temperature September 11th, 2009 (19)
 - CupCake First Prints September 3rd, 2009 (3)
 - Programming the CupCake Motherboard and Extruder September 2nd, 2009 (4)
 - CupCake Pilot Assembly September 2nd, 2009
 - Mouse Cables for CupCake Endstops September 1st, 2009 (3)
 - Assembling the CupCake August 17th, 2009 (2)
 - Finishing CupCake Case August 9th, 2009 (1)
 - (Mostly) Assembling My CupCake Motherboard May 25th, 2009 (3)
 - Soldering My Last Two MakerBot CupCake Stepper Boards May 18th, 2009
 - Assembling the MakerBot CupCake Extruder May 18th, 2009 (2)
 - Soldering the MakerBot CupCake Extruder Controller May 8th, 2009 (7)
 - Assembling the MakerBot CupCake Stepper Controller (or My First Reflow Solder) May 5th, 2009 (2)
 - Makerbot Cupcake Opto Endstops May 1st, 2009 (4)
 - ABS Puck Case Prototype March 14th, 2009 (6)
 - Inside an AMT Accel-500 Spinny Wheel May 1st, 2008 (11)
 - Letting the Smoke out of an A3977 August 22nd, 2007 (5)
 - Tinnit August 20th, 2007 (8)
 - A3977 Stepper Driver and Higher Load Supply Voltage August 15th, 2007
 - A3977 Stepper Driver REQUIRES Non-Inductive Sense Resistors August 13th, 2007 (2)
 - Rewiring a Game Controller's Joysticks August 13th, 2007 (1)
 - CNC Drill Sled May 6th, 2007 (9)
 - Stepper Motor Controller Board April 22nd, 2007 (11)
 - Source for Mini-Drill and Mill Bits July 12th, 2006
 - Stepper Motors, Part V: Taming the Wild Voltage May 20th, 2006
 - Stepper Motors, Part IV: Speed Trials May 14th, 2006
 - Stepper Motors, Part III: MOSFET Drivers May 13th, 2006 (3)
 - Stepper Motors, Part II: Testing Motion May 10th, 2006 (1)
 - Stepper Motors, Part I: Confirming Values May 6th, 2006 (2)
 
 - Category: CutterRouter
- CNC Fabric Cutterhead Prototyping: BLDC Motor April 24th, 2021
 - CNC Fabric Cutterhead Prototyping: More Speed (Less Torque) April 18th, 2021
 - Achievement Unlocked: First Hobby Brushless DC Motor April 18th, 2021
 - CNC Fabric Cutterhead Prototyping: More Torque (Less Speed) September 21st, 2020
 - Prototyping a CNC Fabric Cutterhead September 20th, 2020
 - CNC Fabric Cutting September 19th, 2020 (2)
 - How Fabric Is Cut for Product Development and Made-to-Measure Production September 18th, 2020
 - How Fabric Is Cut in Industry September 17th, 2020
 
 - Category: EAGLE
- BatchPCB June 17th, 2012 (4)
 - Last Stage of Circuit Board Design: Correcting for the Real World August 21st, 2011 (4)
 - Viewing PCB Gerber Files Before Manufacturing May 6th, 2010 (5)
 
 - Category: Equipment
- Vintage ED-Lab Prototyping Station September 16th, 2020
 - Careful with That Desulfator, Eugene September 19th, 2014 (1)
 - Wanted: An EPROM Programmer that Works on a Mac December 28th, 2012 (5)
 - If All You Have Is a Logic Analyzer, Everything Looks Like a Timing Problem June 27th, 2012 (1)
 - PCB Milling with the MakerBot CupCake: Aluminum Leveling Platform March 19th, 2011 (15)
 - PCB Milling with the MakerBot CupCake and a Dremel (Almost) March 7th, 2011 (5)
 - PCB Milling with the MakerBot CupCake (Almost) March 6th, 2011 (7)
 - Low-Temperature-Cooked-Eggs in a PID-Controlled Crockpot December 14th, 2010 (26)
 - Visiting San Diego October 14th, 2010 (1)
 - Installing Batteries in a Liebert GXT2-2000RT120 UPS June 27th, 2010 (18)
 - Q&A: PIC Programmer, Oscilloscope June 19th, 2010 (11)
 - MIDI Looper? May 31st, 2010 (6)
 - Calibrating the CupCake Part 1: Nozzle Temperature September 11th, 2009 (19)
 - Recommend a Temperature Logger? June 6th, 2009 (26)
 - Soldering My Last Two MakerBot CupCake Stepper Boards May 18th, 2009
 - Assembling the MakerBot CupCake Stepper Controller (or My First Reflow Solder) May 5th, 2009 (2)
 - Copycat PID-Controlled Solder Hotplate May 4th, 2009 (40)
 - Refurbishing My Isolation Transformer April 30th, 2009
 - Polishing Aluminum: Practice Run February 22nd, 2009 (4)
 - Cleaning (and Cleaning . . . and Cleaning) Akai Headrush E2 December 31st, 2008 (41)
 - Cort's New RF Wattmeter October 13th, 2008
 - Rackmount Stuff from Slim's "Dump" October 13th, 2008 (7)
 - Slim's Prototyping Station September 23rd, 2007 (14)
 - Battery Meter January 7th, 2007 (3)
 
 - Category: FPGA
- DE0-Nano FPGA Learning Challenge Begins November 1 October 16th, 2014 (3)
 
 - Category: Hacks
- AMPduino [from 2011 Draft] June 22nd, 2018
 - Modifying a Tower SG90 Servo for Continuous Rotation with Potentiometer Position Sensing, Part 1: Investigation and Continuous Rotation January 6th, 2015 (3)
 - Modifying a Harbor Freight Solar Charger June 21st, 2011 (4)
 - Modifying a Car USB Adapter to (Finally) Charge My Cell Phone May 28th, 2011 (6)
 - Guest Post: LEDs and Ping-Pong Balls to Replace 10W Sign Bulbs March 25th, 2011 (4)
 - PCB Milling with the MakerBot CupCake: Aluminum Leveling Platform March 19th, 2011 (15)
 - PCB Milling with the MakerBot CupCake: Aluminum Z-Stage Supplement for Rigid Dremel Mounting March 13th, 2011 (2)
 - PCB Milling with the MakerBot CupCake and a Dremel (Almost) March 7th, 2011 (5)
 - PCB Milling with the MakerBot CupCake (Almost) March 6th, 2011 (7)
 - Temperature Deviation Alarm Board for PID Crockpot Controller February 11th, 2011 (3)
 - Low-Temperature-Cooked-Eggs in a PID-Controlled Crockpot December 14th, 2010 (26)
 - Making Mini Extension Cords / Testing New Solder and Heatshrink Techniques March 7th, 2010 (1)
 - Blu-ray Theft-Prevention Case and Hard Drive Magnets January 18th, 2010 (1)
 - Heated CupCake Build Chamber December 24th, 2009 (8)
 - Repairing Mr. Coffee September 3rd, 2009 (12)
 - Programming the CupCake Motherboard and Extruder September 2nd, 2009 (4)
 - VGA Dongles for Mac Mini Headless Booting August 23rd, 2009 (2)
 - External Filter Capacitor for Cisco Physical Access Gateway August 3rd, 2009 (14)
 - Disabling Wireless Transmission on a VR3 Automotive Backup Camera August 2nd, 2009 (34)
 - Reducing Kickback Noise in Soundcraft Spirit E6 Mixer Switching Power Supply April 26th, 2009 (5)
 - DIY Power Injector for Axis 2100 Network Camera, Part I: Investigation March 24th, 2009 (18)
 - Fixing an LED Sign March 1st, 2009 (3)
 - Fixed a USB Thumb Drive (Sort Of) October 3rd, 2008 (6)
 - Free UPS + Free Batteries == Hammond Organ September 27th, 2008 (3)
 - Wire-Scrounging Challenge August 5th, 2008 (8)
 - Arduino MIDI Volume Pedal July 12th, 2008 (20)
 - Free: Boxed Manuals → Cases for Prototyping On the Go? June 25th, 2008 (1)
 - "Airduino" Scungy Anemometer Part 2: Digital Connections and Interrupts June 8th, 2008 (3)
 - "Airduino" Scungy Anemometer Part 1: Detection and Amplification June 8th, 2008 (5)
 - Repairing an InFocus LP290 Projector, Part 2 May 8th, 2008 (43)
 - Homebrew SMT Probe Tweezers February 23rd, 2008 (11)
 - Parallax Motion Sensor from Radio Shack January 5th, 2008 (60)
 - Arduino USB Auto-Reset Hack December 31st, 2007 (2)
 - Rewiring a Game Controller's Joysticks August 13th, 2007 (1)
 - Rice Krispies Five-Digit Counter April 19th, 2007 (9)
 
 - Category: Ideas
- Thomas Jefferson on Open-Source December 8th, 2010
 - MIDI Looper? May 31st, 2010 (6)
 - (Mostly) Assembling My CupCake Motherboard May 25th, 2009 (3)
 - Storage Storage for Samples Storage February 9th, 2009 (10)
 - Motion Sensors for Occupancy Tracking January 30th, 2009 (4)
 - Project Idea: LED Puzzle Ball January 30th, 2009
 - Project Idea: Build a Better Looper January 26th, 2009 (21)
 - X-Ray Control Panel??? November 16th, 2008 (3)
 - Project Idea: Clock with Sliding Hands September 23rd, 2008 (4)
 - LED Calculator with Rotary Quadrature Encoder for Target System Voltage Selection July 6th, 2008 (32)
 - LED Calculator Prototyped with LCD February 8th, 2008 (18)
 - LED Calculator Breadboarded February 2nd, 2008 (7)
 - Project Idea: LED Calculator February 2nd, 2008 (5)
 - Project Idea: Household Pager December 23rd, 2007 (9)
 - Project Idea: Solar Sidewalk Melter December 16th, 2007 (7)
 
 - Category: Inside
- Modifying a Tower SG90 Servo for Continuous Rotation with Potentiometer Position Sensing, Part 1: Investigation and Continuous Rotation January 6th, 2015 (3)
 - Careful with That Desulfator, Eugene September 19th, 2014 (1)
 - Subwoofer Voice Coil Failure Modes June 9th, 2013
 - $10 Razor E100 Scooter Project Day Two: First Battery-Charging Attempt April 28th, 2013 (6)
 - Why I don't buy Duracell, Energizer, Eveready, or Rayovac February 18th, 2012 (3)
 - Modifying a Harbor Freight Solar Charger June 21st, 2011 (4)
 - Stratasys ABS Rapid-Prototyping Machine May 30th, 2011 (7)
 - Solar Charging and Switching Circuit for Outdoor Sculpture Installation May 29th, 2011
 - Liebert Battery May 28th, 2011
 - Modifying a Car USB Adapter to (Finally) Charge My Cell Phone May 28th, 2011 (6)
 - Hammond XB-2 Drawbar Decoding Diagnosis and Repair March 5th, 2011 (9)
 - <strike>Water and Electronics</strike> February 11th, 2011 (7)
 - Fixing Jeremy's Ford Mach 460 Bass Amplifier October 2nd, 2010 (4)
 - Repairing a Crumar T1 Organ Swell Pedal August 6th, 2010 (2)
 - Repairing a Bad Horsie 2 Wah Pedal with Power Damage July 7th, 2010 (4)
 - Installing Batteries in a Liebert GXT2-2000RT120 UPS June 27th, 2010 (18)
 - Lacing the x0xb0x Wiring Harnesses June 6th, 2010
 - Building the x0xb0x June 6th, 2010 (3)
 - Repairing a Patch Cord May 31st, 2010 (7)
 - Replacing a Broken Power Jack on a DBX 266XL Compressor April 11th, 2010
 - Electronic Circuit in Panduit Labelmaker Cartridge January 18th, 2010 (3)
 - Blu-ray Theft-Prevention Case and Hard Drive Magnets January 18th, 2010 (1)
 - "New" Crumar T2 Organ Part 2: Easy Fixes and Investigation January 4th, 2010 (43)
 - Reconing an Eminence JAY7010 Subwoofer Driver January 3rd, 2010 (12)
 - Repairing Mr. Coffee September 3rd, 2009 (12)
 - Mouse Cables for CupCake Endstops September 1st, 2009 (3)
 - Repairing a Vintage Electromechanical Metronome August 23rd, 2009 (4)
 - SparkFun Tour August 23rd, 2009 (3)
 - Disabling Wireless Transmission on a VR3 Automotive Backup Camera August 2nd, 2009 (34)
 - Copycat PID-Controlled Solder Hotplate May 4th, 2009 (40)
 - Two Birds April 27th, 2009 (1)
 - Repairing a Soundcraft Spirit E6 Mixer Switching Power Supply April 19th, 2009 (154)
 - DIY Power Injector for Axis 2100 Network Camera, Part I: Investigation March 24th, 2009 (18)
 - Fixing My Wife's Curling Iron March 14th, 2009 (5)
 - Fixing an LED Sign March 1st, 2009 (3)
 - Fixing a Buzzing Clock Radio December 31st, 2008 (4)
 - Cleaning (and Cleaning . . . and Cleaning) Akai Headrush E2 December 31st, 2008 (41)
 - Trying to Repair Roomba Scheduler December 29th, 2008 (6)
 - A6276 LED Controllers for "Organic Energy Cloud" December 29th, 2008 (25)
 - X-Ray Control Panel??? November 16th, 2008 (3)
 - Salvaging a Pile of VCRs November 10th, 2008 (13)
 - (Ancient) Disk Drive Heads October 6th, 2008 (1)
 - Interesting Bits of Old Motherboards September 1st, 2008 (7)
 - Swell Pedal from Baldwin Model 5 Organ July 3rd, 2008 (15)
 - Parting Out an Optoma EzPro 610H Projector May 5th, 2008 (21)
 - Rotary Encoder from a VW Car Stereo May 4th, 2008 (7)
 - Inside an AMT Accel-500 Spinny Wheel May 1st, 2008 (11)
 - Repairing Alesis M1 Active mk2 Monitor Speakers April 30th, 2008 (428)
 - Inside an Airport Extreme Card March 6th, 2008
 - Repairing an InFocus LP290 Projector, Part 1 January 13th, 2008 (79)
 - Fixing a Kids' Educational Toy January 13th, 2008
 - Where to Salvage Electronic Parts January 9th, 2008 (18)
 - Disappointing Robo-Bug December 11th, 2007 (8)
 - Dissecting Swag December 11th, 2007 (8)
 - Replacing My Visor Prism's Battery November 19th, 2007 (7)
 
 - Category: LED Clock
- (Mostly) Assembling My CupCake Motherboard May 25th, 2009 (3)
 - 60,000 mcd Sure <em>Sounds</em> Bright November 18th, 2007 (6)
 - LED Clock: Serial Communication, MAX232, and Programming the LogoChip UART August 22nd, 2006 (8)
 - LED Clock: Laying Out the Full Display August 21st, 2006 (2)
 - LED Clock: DS1302 + A6276 = Visible Demo August 6th, 2006
 - LED Clock: $6 Refund for Wrong Resistors July 25th, 2006
 - LED Clock: It's the Voltage, Man (DS1302) July 24th, 2006 (2)
 - LED Clock: Troubleshooting the DS1302 Interface July 24th, 2006
 - LED Clock: DS1302 Unworking July 21st, 2006
 - LED Clock: Working DS1302 RTC Interface! July 20th, 2006 (1)
 - LED Clock: Escalating Resistor Dispute July 12th, 2006
 - LED Clock: Interfacing to the DS1302 RTC Chip July 7th, 2006 (4)
 - LED Clock: Resistor Dispute Continues July 5th, 2006
 - LED Clock: Disputing Resistors July 4th, 2006
 - LED Clock: It's Blue. It's Beautiful. July 4th, 2006 (1)
 - LED Clock: Prototype Digit Assembly July 3rd, 2006 (2)
 - LED Clock: Prototype PC Board July 3rd, 2006
 - LED Clock: Board Layout July 1st, 2006
 - LED Clock: 498 LEDs July 1st, 2006 (1)
 - LED Clock: List of Posts June 30th, 2006
 - LED Clock: Daylight Savings Time June 25th, 2006
 - LED Clock: Numbering Order Reanimated June 24th, 2006
 - LED Clock: Numbering Order Animated! June 23rd, 2006
 - LED Clock: LED Numbering Order June 22nd, 2006 (1)
 - LED Clock: Enough Controller Pins? June 21st, 2006 (1)
 - LED Clock: Programming the A6276 LED Driver June 20th, 2006
 - LED Clock: Testing the A6276 LED Driver June 19th, 2006
 - LED Clock: LED Control Bus Architecture June 9th, 2006
 - LED Clock: Ordering Parts June 9th, 2006
 - LED Clock: The Font May 30th, 2006
 - Blue LED Clock May 27th, 2006 (2)
 
 - Category: LED Puck
- ABS Puck Case Prototype March 14th, 2009 (6)
 - Puck is Stale But Not Forgotten October 3rd, 2008
 - Parallax Motion Sensor from Radio Shack January 5th, 2008 (60)
 - Merry Christmas to Me! January 4th, 2008 (6)
 - LED Puck: Blender Modeling January 3rd, 2008
 - LED Puck: Tilt Prototype December 27th, 2007 (6)
 - LED Puck: Tilt Video December 21st, 2007 (1)
 - LED Puck: Need an Inexpensive Accelerometer December 19th, 2007 (4)
 - LED Puck: Concept Drawing December 18th, 2007
 - LED Puck: Parts List Draft December 17th, 2007 (5)
 - LED Puck: Tilt Menu Demo December 16th, 2007 (2)
 - LED Puck: Comparison Shopping and Assignment December 15th, 2007 (7)
 - LED Puck Design Questions December 1st, 2007 (9)
 - What Features Do You Want in an LED Puck? November 28th, 2007 (10)
 
 - Category: LEDs
- Filimin -- Back My Friend John's Kickstarter! May 5th, 2015 (1)
 - Guest Post: LEDs and Ping-Pong Balls to Replace 10W Sign Bulbs March 25th, 2011 (4)
 - Transistor-Based Variable Current Drive for LED Calculator September 6th, 2010 (3)
 - EasyBright on Stage May 25th, 2010 (2)
 - Assembling the first EasyBright May 25th, 2010 (7)
 
 - Category: LogoChip
- LM34DZ Fahrenheit Temperature Sensor February 2nd, 2009 (9)
 - Auto Power Sequencer for SAE A502 and A202 Amplifiers August 7th, 2007 (14)
 - PCB Layout and CNC Drilling Problems (and Solutions) August 6th, 2007 (6)
 - Debugging a LogoBoard April 18th, 2007
 - CdS Photocell April 17th, 2007 (19)
 - Making Googly Eyes, Part 2: Construction April 16th, 2007
 - PWM Control of a Larger DC Motor April 7th, 2007 (12)
 - Making Googly Eyes, Part 1: Reverse Engineering April 2nd, 2007 (1)
 - LogoChip Port A, setbit/clearbit, and analog inputs February 16th, 2007 (7)
 - LogoBoard January 29th, 2007 (2)
 - LED Clock: Serial Communication, MAX232, and Programming the LogoChip UART August 22nd, 2006 (8)
 - Hacking Cell Phone Displays --> Travel Route Timer? August 11th, 2006 (2)
 - LED Clock: DS1302 + A6276 = Visible Demo August 6th, 2006
 - LED Clock: It's the Voltage, Man (DS1302) July 24th, 2006 (2)
 - LED Clock: Troubleshooting the DS1302 Interface July 24th, 2006
 - LED Clock: DS1302 Unworking July 21st, 2006
 - LED Clock: Working DS1302 RTC Interface! July 20th, 2006 (1)
 - LED Clock: Daylight Savings Time June 25th, 2006
 - LED Clock: Numbering Order Reanimated June 24th, 2006
 - LED Clock: Numbering Order Animated! June 23rd, 2006
 - LED Clock: LED Numbering Order June 22nd, 2006 (1)
 - LED Clock: Enough Controller Pins? June 21st, 2006 (1)
 - LED Clock: Programming the A6276 LED Driver June 20th, 2006
 - LED Clock: Testing the A6276 LED Driver June 19th, 2006
 - LED Clock: LED Control Bus Architecture June 9th, 2006
 - LED Clock: Ordering Parts June 9th, 2006
 - LED Clock: The Font May 30th, 2006
 - Blue LED Clock May 27th, 2006 (2)
 - Stepper Motors, Part II: Testing Motion May 10th, 2006 (1)
 - Ultrasonic Rangefinder, Part III: Receiver / LogoChip Interface Attempt April 26th, 2006 (8)
 - Multiplexing Ultrasonic Sensors April 3rd, 2006
 - Ultrasonic Rangefinder, Part II: Receiver March 26th, 2006 (5)
 - DIY Ultrasonic Rangefinder March 25th, 2006 (14)
 - LogoChip and PWM: Bidirectional Motor Speed Control March 21st, 2006 (7)
 - LogoChip: PWM Motor Control March 9th, 2006 (2)
 - LogoChip: Small Motor Control March 8th, 2006
 - LogoChip: Audio Playback Demo February 28th, 2006
 - LogoChip Desktop Serial Port Configuration February 21st, 2006
 - Project Idea: Dancing Water February 8th, 2006 (2)
 - Got Beep February 6th, 2006
 - Starting up the LogoChip February 2nd, 2006 (1)
 
 - Category: MakerBot CupCake
- MakerBot CupCake’s Triumphant Return, Part 2: Skeinforge Slices; CupCake Prints October 31st, 2020 (1)
 - MakerBot CupCake's Triumphant Return, Part Before 1: The Z-Axis Stepper Motor Is Getting Old September 15th, 2020
 - MakerBot CupCake's Triumphant Return, Part 1: The Extruder Motor Is Getting Old September 13th, 2020 (5)
 - Chewing ABS to Make New Filament August 16th, 2018
 - Booting the MakerBot CupCake after Five Years Part 3: Heated Build Platform and First Print July 9th, 2018
 - Booting the MakerBot CupCake after Five Years Part 2: Installing Software July 7th, 2018
 - Booting the MakerBot CupCake after Five Years Part 1: Powering Up July 6th, 2018
 - Why I Haven't Touched the MakerBot CupCake for Four and a Half Years July 4th, 2018 (3)
 - Filament De-Dusting for the MakerBot CupCake [from 2013 Draft] June 22nd, 2018
 - Rebuilding the CupCake Extruder Heater (When It Wasn't Very Broken) January 29th, 2012 (3)
 - Cooling Fan(s) for Dramatic Improvement in CupCake Print Quality June 12th, 2011 (6)
 - Another CupCake Nozzle Jam, PTFE Thermal Barrier Swarf, Heater Winding, and Glass Transition June 12th, 2011
 - PLA + Ignorance = Broken Extruder May 29th, 2011 (1)
 - CupCake Wants the Build Platform Temperature Turned Down After the First Layer May 9th, 2011 (3)
 - CupCake Wants a Heated Build Chamber April 24th, 2011 (3)
 - MakerBot CupCake: Print from the SD Card March 27th, 2011 (6)
 - PCB Milling with the MakerBot CupCake: Aluminum Leveling Platform March 19th, 2011 (15)
 - PCB Milling with the MakerBot CupCake: Aluminum Z-Stage Supplement for Rigid Dremel Mounting March 13th, 2011 (2)
 - PCB Milling with the MakerBot CupCake and a Dremel (Almost) March 7th, 2011 (5)
 - PCB Milling with the MakerBot CupCake (Almost) March 6th, 2011 (7)
 - MakerBot CupCake Aluminum Idler Wheel and Printing in Plaid Due to Motor Shaft Deflection May 25th, 2010 (1)
 - Glastherm HT Insulation with Glass Standoffs for Hotplates May 3rd, 2010 (5)
 - Glastherm HT: Not So Good for Insulating Hotplates April 19th, 2010 (5)
 - Threaded Pulley for MakerBot CupCake Extruder March 29th, 2010 (6)
 - MakerBot CupCake Heated Extrusion Bed Part 4: Putting It All Together March 20th, 2010 (3)
 - MakerBot CupCake Heated Extrusion Bed Part 3: Ponoko Laser-Cut Acrylic Insulator March 10th, 2010
 - MakerBot CupCake Heated Extrusion Bed Part 2: Milling an Aluminum Plate March 9th, 2010
 - MakerBot CupCake Heated Extrusion Bed Part 1: McWire PCB Heater March 9th, 2010 (10)
 - Relocating the MakerBot CupCake Extruder Controller March 8th, 2010 (5)
 - New Power Supply for (Home) Electric Lock System December 26th, 2009 (2)
 - Heated CupCake Build Chamber December 24th, 2009 (8)
 - Fixing CupCake Build Problems December 24th, 2009 (7)
 - Rutgers Student's CupCaked Robot Chassis November 23rd, 2009 (2)
 - Calibrating the CupCake Part 1: Nozzle Temperature September 11th, 2009 (19)
 - CupCake First Prints September 3rd, 2009 (3)
 - Programming the CupCake Motherboard and Extruder September 2nd, 2009 (4)
 - CupCake Pilot Assembly September 2nd, 2009
 - Mouse Cables for CupCake Endstops September 1st, 2009 (3)
 - Assembling the CupCake August 17th, 2009 (2)
 - Finishing CupCake Case August 9th, 2009 (1)
 - (Mostly) Assembling My CupCake Motherboard May 25th, 2009 (3)
 - Soldering My Last Two MakerBot CupCake Stepper Boards May 18th, 2009
 - Assembling the MakerBot CupCake Extruder May 18th, 2009 (2)
 - Soldering the MakerBot CupCake Extruder Controller May 8th, 2009 (7)
 - Assembling the MakerBot CupCake Stepper Controller (or My First Reflow Solder) May 5th, 2009 (2)
 - Makerbot Cupcake Opto Endstops May 1st, 2009 (4)
 
 - Category: Miscellaneous
- What Shape Portable USB Powerbank? November 4th, 2021 (3)
 - The Lawn Under the Lawn August 22nd, 2021
 - I'm Not Dead Yet June 18th, 2018 (2)
 - Filimin -- Back My Friend John's Kickstarter! May 5th, 2015 (1)
 - Finding a Picture That I Took Used on eBay January 6th, 2013 (8)
 - 72G or Larger SCSI-2 Fast/Wide Hard Drives? November 26th, 2012 (6)
 - Hand-Soldering SOIC July 2nd, 2012 (7)
 - Liebert Battery May 28th, 2011
 - Cleaned It. What Now? January 28th, 2011 (3)
 - Does Used Tinnit <em>Ever</em> Work? January 21st, 2011
 - Thomas Jefferson on Open-Source December 8th, 2010
 - Visiting San Diego October 14th, 2010 (1)
 - How You Know the World Has Changed September 16th, 2010 (1)
 - Folder Structure Standardization and Unison for File Synchronization February 16th, 2010 (3)
 - Need a Name for a New Site Feature January 31st, 2010 (42)
 - SparkFun Tour August 23rd, 2009 (3)
 - I Bought a Bus June 2nd, 2009 (4)
 - eBay "Misprinted" a Coupon and Won't Honor Terms November 18th, 2008 (1)
 - Radio and Video Stuff and Projects in Progress from Slim November 16th, 2008 (12)
 - Edge-Lit Plexiglas Demo November 6th, 2008 (11)
 - Vibratory Tumbler for Cleaning Parts October 12th, 2008 (2)
 - Weird Stuff from Work October 3rd, 2008 (1)
 - Interesting Bits of Old Motherboards September 1st, 2008 (7)
 - Free: Boxed Manuals → Cases for Prototyping On the Go? June 25th, 2008 (1)
 - Meta: Enabled HTTP Compression May 7th, 2008 (5)
 - Homebrew SMT Probe Tweezers February 23rd, 2008 (11)
 - Merry Christmas to Me! January 4th, 2008 (6)
 - Garrett's Wife's PC Stopped Working December 6th, 2007 (2)
 - What Features Do You Want in an LED Puck? November 28th, 2007 (10)
 - Found My Tube Tester November 24th, 2007 (10)
 - Gas Detector No Longer Needed November 21st, 2007
 - 60,000 mcd Sure <em>Sounds</em> Bright November 18th, 2007 (6)
 - I Love These Cables! November 18th, 2007 (3)
 - Tool Holder October 29th, 2007 (2)
 - Cherry and Maple Rolling Pin October 29th, 2007 (2)
 - Inside a Diebold Transaction Number Generator September 23rd, 2007 (3)
 - Elastomeric Connectors August 28th, 2007
 - Welcome, Make Readers! August 22nd, 2007 (3)
 - Rewiring a Game Controller's Joysticks August 13th, 2007 (1)
 - Auto Power Sequencer for SAE A502 and A202 Amplifiers August 7th, 2007 (14)
 - PCB Iron-On Etch Resist Problems (and Solutions) August 6th, 2007 (12)
 - PCB Layout and CNC Drilling Problems (and Solutions) August 6th, 2007 (6)
 - Current Project Prototype Almost Done July 12th, 2007 (2)
 - Green Lines in My LCD Projector June 28th, 2007 (15)
 - ResQPOD Circulatory Enhancer Circuit June 23rd, 2007 (1)
 - Fire Alarm Dialer April 28th, 2007
 - PC Board Vise April 22nd, 2007
 - Nightmare Workbench April 22nd, 2007 (1)
 - Testing the Luxeon I LED April 13th, 2007
 - LED Gloves April 1st, 2007 (7)
 - Theremax, Part I: Circuit Board January 22nd, 2007 (10)
 - LED Wrist Rest January 3rd, 2007 (1)
 - EAGLE to PADS (FreePCB) Netlist Converter September 16th, 2006 (24)
 - Tektronix Logic Analyzer August 17th, 2006 (16)
 - Hacking Cell Phone Displays --> Travel Route Timer? August 11th, 2006 (2)
 - Rotary Phone == Alarm Clock ?!!! August 6th, 2006
 - Resocketing my LED Tester June 1st, 2006
 - My Uncle's Iron May 10th, 2006
 - Edge-Lit Scratched-Character Displays March 21st, 2006
 - EAGLE for Circuit Design and PCB Layout March 21st, 2006 (7)
 - DIY Logic Probe March 13th, 2006 (6)
 - Blue LEDs January 12th, 2006
 
 - Category: Porta-Printy
- Engineering Construction Set, Part 1: Sticks and Brackets September 14th, 2020 (1)
 
 - Category: Products
- BatchPCB June 17th, 2012 (4)
 - Transistor-Based Variable Current Drive for LED Calculator September 6th, 2010 (3)
 - EasyBright on Stage May 25th, 2010 (2)
 - Assembling the first EasyBright May 25th, 2010 (7)
 - Gold Phoenix for EasyBright PCB Manufacturing May 24th, 2010 (6)
 - Viewing PCB Gerber Files Before Manufacturing May 6th, 2010 (5)
 - Names for LED Driver April 21st, 2010 (21)
 - What LED Currents Should I Offer? March 27th, 2010 (8)
 - Opinions Wanted: Connectors for LED Driver March 20th, 2010 (16)
 
 - Category: Q&A
- Q&A: PIC Programmer, Oscilloscope June 19th, 2010 (11)
 
 - Category: Repairs
- Fussing with My Server Power Supply November 13th, 2021 (1)
 - Replacing a Pollcat Power Supply October 3rd, 2020
 - Subwoofer Voice Coil Failure Modes June 9th, 2013
 - $10 Razor E100 Scooter Project Day Two: First Battery-Charging Attempt April 28th, 2013 (6)
 - $10 Razor E100 Scooter Project Day 1: Rear Wheel April 27th, 2013 (1)
 - Motherboard Electrolytic Capacitor Replacement April 15th, 2012 (5)
 - Why I don't buy Duracell, Energizer, Eveready, or Rayovac February 18th, 2012 (3)
 - Rebuilding the CupCake Extruder Heater (When It Wasn't Very Broken) January 29th, 2012 (3)
 - Another CupCake Nozzle Jam, PTFE Thermal Barrier Swarf, Heater Winding, and Glass Transition June 12th, 2011
 - PLA + Ignorance = Broken Extruder May 29th, 2011 (1)
 - Modifying a Car USB Adapter to (Finally) Charge My Cell Phone May 28th, 2011 (6)
 - Crisitunity: SSD for the MacBook April 12th, 2011 (4)
 - Hammond XB-2 Drawbar Decoding Diagnosis and Repair March 5th, 2011 (9)
 - Hammond XB-2 ROMs? February 12th, 2011 (13)
 - Fixing Jeremy's Ford Mach 460 Bass Amplifier October 2nd, 2010 (4)
 - Repairing a Crumar T1 Organ Swell Pedal August 6th, 2010 (2)
 - Repairing a Bad Horsie 2 Wah Pedal with Power Damage July 7th, 2010 (4)
 - Installing Batteries in a Liebert GXT2-2000RT120 UPS June 27th, 2010 (18)
 - Repairing a Patch Cord May 31st, 2010 (7)
 - Replacement Headphone Cables? May 20th, 2010 (1)
 - Replacing a Broken Power Jack on a DBX 266XL Compressor April 11th, 2010
 - "New" Crumar T2 Organ Part 2: Easy Fixes and Investigation January 4th, 2010 (43)
 - Reconing an Eminence JAY7010 Subwoofer Driver January 3rd, 2010 (12)
 - New Power Supply for (Home) Electric Lock System December 26th, 2009 (2)
 - Repairing Mr. Coffee September 3rd, 2009 (12)
 - CupCake Pilot Assembly September 2nd, 2009
 - Repairing a Vintage Electromechanical Metronome August 23rd, 2009 (4)
 - Installing a Behringer DSP8024 Equalizer and Upgrading Firmware June 8th, 2009 (29)
 - Refurbishing My Isolation Transformer April 30th, 2009
 - Reducing Kickback Noise in Soundcraft Spirit E6 Mixer Switching Power Supply April 26th, 2009 (5)
 - Repairing a Soundcraft Spirit E6 Mixer Switching Power Supply April 19th, 2009 (154)
 - Fixing My Wife's Curling Iron March 14th, 2009 (5)
 - Fixing an LED Sign March 1st, 2009 (3)
 - Repairing Roomba Scheduler January 20th, 2009 (9)
 - Replacing a Dead Arduino FTDI USB-Serial Chip January 19th, 2009 (10)
 - Fixing a Buzzing Clock Radio December 31st, 2008 (4)
 - Cleaning (and Cleaning . . . and Cleaning) Akai Headrush E2 December 31st, 2008 (41)
 - Trying to Repair Roomba Scheduler December 29th, 2008 (6)
 - Fixed a USB Thumb Drive (Sort Of) October 3rd, 2008 (6)
 - Free UPS + Free Batteries == Hammond Organ September 27th, 2008 (3)
 - Refitting a Strain Relief July 21st, 2008 (4)
 - Repairing an InFocus LP290 Projector, Part 2 May 8th, 2008 (43)
 - Parting Out an Optoma EzPro 610H Projector May 5th, 2008 (21)
 - Repairing Alesis M1 Active mk2 Monitor Speakers April 30th, 2008 (428)
 - Repairing an InFocus LP290 Projector, Part 1 January 13th, 2008 (79)
 - Fixing a Kids' Educational Toy January 13th, 2008
 - Replacing My Visor Prism's Battery November 19th, 2007 (7)
 - Baldwin Organ Demolished / Free Vacuum Tubes October 12th, 2007 (24)
 - MP3 of Noise from Baldwin 45HP2 Organ September 4th, 2007 (5)
 - Advice Wanted: Troubleshooting a Baldwin 45HP2 Vacuum Tube Organ September 1st, 2007 (55)
 - Green Lines in My LCD Projector June 28th, 2007 (15)
 - Rebuilding a PowerBook G4 Battery June 24th, 2007 (60)
 - Adjusting an SAE A202 Amplifier DC Offset June 23rd, 2007 (23)
 - Replacing an SAE A502 Amplifier Speaker Relay June 23rd, 2007 (16)
 - Replacing My PowerBook Screen June 4th, 2006
 - Resocketing my LED Tester June 1st, 2006
 - Roomba Repair May 21st, 2006
 
 - Category: Robotics
- 3D-Printed Makeblock mBot LiPo Battery Holder June 12th, 2019 (1)
 - Modifying a Tower SG90 Servo for Continuous Rotation with Potentiometer Position Sensing, Part 1: Investigation and Continuous Rotation January 6th, 2015 (3)
 - Rutgers Student's CupCaked Robot Chassis November 23rd, 2009 (2)
 - Disappointing Robo-Bug December 11th, 2007 (8)
 - Making Googly Eyes, Part 2: Construction April 16th, 2007
 - PWM Control of a Larger DC Motor April 7th, 2007 (12)
 - Making Googly Eyes, Part 1: Reverse Engineering April 2nd, 2007 (1)
 - Ultrasonic Rangefinder, Part III: Receiver / LogoChip Interface Attempt April 26th, 2006 (8)
 - Ultrasonic Rangefinder, Part II: Receiver March 26th, 2006 (5)
 - DIY Ultrasonic Rangefinder March 25th, 2006 (14)
 - Robot Throwdown! March 23rd, 2006
 - EAGLE for Circuit Design and PCB Layout March 21st, 2006 (7)
 - LogoChip and PWM: Bidirectional Motor Speed Control March 21st, 2006 (7)
 - LogoChip: PWM Motor Control March 9th, 2006 (2)
 - Got Beep February 6th, 2006
 - Atmel/AVR Butterfly? February 3rd, 2006
 - Starting up the LogoChip February 2nd, 2006 (1)
 - PWM Motor Control with a ROM January 17th, 2006
 - Tilt Sensor and Motor Drivers, Take I and II January 15th, 2006
 - H-Bridge Motor Drivers January 15th, 2006
 - How to Make a 4046 PLL Work January 13th, 2006 (1)
 - Solid-State Tilt Sensor with a PLL? January 12th, 2006
 - Solid-State Tilt Sensor, Unplugged January 12th, 2006
 - Solid-State Tilt Sensor January 12th, 2006
 
 - Category: Roomba
- Scooba Second Impressions February 10th, 2009 (4)
 - Scooba First Impressions February 1st, 2009 (3)
 - Repairing Roomba Scheduler January 20th, 2009 (9)
 - Trying to Repair Roomba Scheduler December 29th, 2008 (6)
 - Roomba Repair May 21st, 2006
 
 - Category: Salvage
- AMPduino [from 2011 Draft] June 22nd, 2018
 - Replacing a Broken Power Jack on a DBX 266XL Compressor April 11th, 2010
 - What Is This Thing? April 11th, 2010 (8)
 - Making Mini Extension Cords / Testing New Solder and Heatshrink Techniques March 7th, 2010 (1)
 - Need a Name for a New Site Feature January 31st, 2010 (42)
 - Mouse Cables for CupCake Endstops September 1st, 2009 (3)
 - Two Birds April 27th, 2009 (1)
 - Vintage Computer Keyboard Assembly March 14th, 2009 (8)
 - Storage Storage for Samples Storage February 9th, 2009 (10)
 - "Trash" from Cluster Computing Install January 26th, 2009 (2)
 - X-Ray Control Panel??? November 16th, 2008 (3)
 - Salvaging a Pile of VCRs November 10th, 2008 (13)
 - Rackmount Stuff from Slim's "Dump" October 13th, 2008 (7)
 - (Ancient) Disk Drive Heads October 6th, 2008 (1)
 - Wire-Scrounging Challenge August 5th, 2008 (8)
 - Swell Pedal from Baldwin Model 5 Organ July 3rd, 2008 (15)
 - Free: Boxed Manuals → Cases for Prototyping On the Go? June 25th, 2008 (1)
 - Desoldering with a Heat Gun DOESN'T Ruin Electrolytics May 18th, 2008 (1)
 - How to Sort and Store Salvaged Electronic Parts January 27th, 2008 (17)
 - How to Salvage Electronic Parts January 19th, 2008 (22)
 - Where to Salvage Electronic Parts January 9th, 2008 (18)
 
 - Category: Slim
- Assembling the MakerBot CupCake Extruder May 18th, 2009 (2)
 - Two Birds April 27th, 2009 (1)
 - Rackmount Stuff from Slim's "Dump" October 13th, 2008 (7)
 - Cleaning Out Slim's Dump October 5th, 2008 (8)
 - "Airduino" Scungy Anemometer Part 1: Detection and Amplification June 8th, 2008 (5)
 - Treasures from Slim December 11th, 2007 (4)
 - Slim's Prototyping Station September 23rd, 2007 (14)
 - Battery Meter January 7th, 2007 (3)
 - LED Clock: Prototype PC Board July 3rd, 2006
 
 - Category: TechArt
- Solar Charging and Switching Circuit for Outdoor Sculpture Installation May 29th, 2011
 - Does Used Tinnit <em>Ever</em> Work? January 21st, 2011
 - Wired IV May 22nd, 2009
 - LM34DZ Fahrenheit Temperature Sensor February 2nd, 2009 (9)
 - "Organic Energy Cloud" Installation January 27th, 2009 (3)
 - A6276 LED Controllers for "Organic Energy Cloud" December 29th, 2008 (25)
 - Edge-Lit Plexiglas Demo November 6th, 2008 (11)
 - First Pictures from Wired 3: Please Wait April 29th, 2008
 - Wired 3: Please Wait (Friday Night!) April 23rd, 2008 (1)
 - Parallax Motion Sensor from Radio Shack January 5th, 2008 (60)
 - Debugging a LogoBoard April 18th, 2007
 - CdS Photocell April 17th, 2007 (19)
 - Making Googly Eyes, Part 2: Construction April 16th, 2007
 - PWM Control of a Larger DC Motor April 7th, 2007 (12)
 - Making Googly Eyes, Part 1: Reverse Engineering April 2nd, 2007 (1)
 - Piezo Elements for Percussive Input April 1st, 2007
 - LED Gloves April 1st, 2007 (7)
 - LogoChip Port A, setbit/clearbit, and analog inputs February 16th, 2007 (7)
 - LogoBoard January 29th, 2007 (2)
 - Arduino Circuits and Tutorial October 15th, 2006
 - Craft to Art; Construction to Exhibit April 26th, 2006
 - Ultrasonic Rangefinder, Part III: Receiver / LogoChip Interface Attempt April 26th, 2006 (8)
 - Cabinet Construction April 24th, 2006
 - Cabinet Modeling April 4th, 2006
 - Cabinet Plans: First Draft April 3rd, 2006
 - Multiplexing Ultrasonic Sensors April 3rd, 2006
 - Ultrasonic Rangefinder, Part II: Receiver March 26th, 2006 (5)
 - DIY Ultrasonic Rangefinder March 25th, 2006 (14)
 - LogoChip: Small Motor Control March 8th, 2006
 - LogoChip: Audio Playback Demo February 28th, 2006
 - LogoChip Desktop Serial Port Configuration February 21st, 2006
 - Project Idea: Flash Subliminals February 20th, 2006
 - Project Idea: Cell Phone Abuse February 17th, 2006
 - Mini Pumps February 11th, 2006
 - Placeholder--Art Lab with Barry Badgett February 11th, 2006
 - Project Idea: Dancing Water February 8th, 2006 (2)
 - Got Beep February 6th, 2006
 - Starting up the LogoChip February 2nd, 2006 (1)
 - Welcome to Technology: Art and Sound by Design February 2nd, 2006
 
 - Category: Vintage Computing
- Wanted: An EPROM Programmer that Works on a Mac December 28th, 2012 (5)
 - New Arrival September 3rd, 2012 (11)
 
 
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