For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit because the voltages on a computer serial port are ...
ESP32 dev board from Az-Delivery. soldered on a dev breadboard with some wires to a MAX3232. Both devices are socketed to the breadboard for easy replacement. When not connected to the computer (99.9% ...
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