Half-duplex UART (RS485) on ESP32

Posted on Sun 26 April 2020 in microcontroller

I'm a happy owner of a few ESP32 microcontrollers. These are similar to the Arduino, but have WiFi & Bluetooth built in, which makes them very versatile. These chips come with a lot of peripherals, including three UARTs. These allow offloading the actual bit-banging of the pins to dedicated hardware …

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