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Why I have realized that amplifiers used around PCs (even if they are just found in active speakers) will be turned on a lot of time without actually being used, thus burning a lot of power for nothing. So, I wanted to build a circuit that will turn on an amplifier only when there is [...] This project is an entry for the 555contest.com Introduction One of the applications of 555 timers is a class D amplifier. In its most simplistic form it can be built with a single 555 and the 200mA current capability is enough to drive a small speaker, making it a good replacement for a [...] |
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