This simple electronic bicycle horn circuit uses only one gate of a 4093 quad 2-input NAND Schmitt trigger, U1, conected in a simple, low frequency, square-wave oscillator circuit. The oscillator’s ...
Motorcyclists are already at risk when they’re traveling amongst cars, so it certainly doesn’t help that their bikes’ horns tend not to be very loud. That’s why biker and electrical engineer Peter Olt ...
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