|
|||||
this is another entry for the 555contest.com Introduction A certain knock at the door may tell you if the person behind it is the one expected or just somebody else. Each knock on the door itself cannot tell you too much, it can be lighter or stronger and that’s all about it, there’s [...] 555 contest entry Introduction You might find yourself needing a low power H bridge for driving a motor like I once did. The 555 IC can drive a load up to 200mA, source or sink, which might make is usable as a driver, if one can control the output as desired. The Why? Although it [...] 
Introduction Continuing the development of my UV exposure box I have designed and built a countdown timer. There are a few others out there for the same purpose, but I wanted to add some more features to make things better. As I have mentioned in the previous post, safety was a big concern for me [...] |
|||||
|
Copyright © 2013 Bogdan Raducanu Electro Bob - All Rights Reserved Powered by WordPress & Atahualpa |
|||||