Simple audio mixer


I have one low cost TPA3116 amplifier which has got more usage than I initially thought. I ended up using it in the living room, it provides enough power and burns only 0.7W from the mains while ON, with no signal. So low that I don’t need to worry about shutting it down when […]

Auto AMP

Making an amplifier turn on only when there is signal present, to save power and effort. […]

555 class D amplifier

Building a 555 based class D amplifier, even building the 555. […]

10,352 views since Nov 2016