Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] has found a nice hack — just connect your devices to different pins and slightly abuse the ESP32 ...
don’t have physical serial ports, he decided to come up with a WiFi adapter for these old devices that he calls SerialChiller. Inside the SerialChiller is an ESP32, a MAX3232 line driver ...
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