Upload the source code to the ESP32. Assemble the circuit on a general-purpose PCB. Fix all seven LEDs on the PCB, including ...
The world is digital, but sometimes the power of analog is just what is needed. The analog multiplier is a case in point with ...
A digital circuit can be conceptualized as a mass of plumbing with water instead of electricity. A transistor is a valve (open/close). A resistor constrains the water into a smaller pipe.
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