Comments on: LED Clock: It’s Blue. It’s Beautiful. http://www.neufeld.newton.ks.us/electronics/?p=94 Sun, 08 Dec 2024 17:19:24 -0600 hourly 1 http://wordpress.org/?v=3.1.3 By: Peter http://www.neufeld.newton.ks.us/electronics/?p=94&cpage=1#comment-105 Peter Tue, 01 Aug 2006 08:40:49 +0000 http://www.neufeld.newton.ks.us/electronics/?p=94#comment-105 Hi Keith great little project , i have a 230W PC PSU for my bench i just solderd a 22R 5W res to the end of one of the 3.3v wires to an earth wire its been runing for a year like this the res hardly gets warm, i've had a lot of experimenting with time circuits and i found the best way to get it accurate is to use a little chip from dallas called DS32KHZ it is a 32.768k crystal package that is accurate to +- 2ppm (1 min/year) 0 - 40 Celcius. keep up the good work looking forward to seeing the whole clock, hope your wife has some good sun glasses hehe pete Hi Keith
great little project , i have a 230W PC PSU for my bench i just solderd a 22R 5W res to the end of one of the 3.3v wires to an earth wire its been runing for a year like this the res hardly gets warm, i’ve had a lot of experimenting with time circuits and i found the best way to get it accurate is to use a little chip from dallas called DS32KHZ it is a 32.768k crystal package that is accurate to +- 2ppm (1 min/year) 0 – 40 Celcius.

keep up the good work looking forward to seeing the whole clock, hope your wife has some good sun glasses hehe

pete

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