Are you done for the night? Not if you’ve watched [0033mer]’s Simple Electronic Circuit Hacks video! You know just what to do. The ground pin of a LM7805 connects to the cathode of a TL431 ...
[William] shows off a really simple speaker ... any complicated electronics and simply wired LEDs to the speakers themselves. Admittedly we’ve seen more complicated systems in the past, but ...
Electronic components are chosen ... A buzzer. This is a simple output device that makes a sound once the circuit is complete and current is passing through it.An LED or light emitting diode.
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