Replace the timing resistor on a 74LS123 one-shot with a Howland current pump, drive the pump with a rail-to-rail voltage-output DAC, and you have a programmable one-shot with some unique features: ...
AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...
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