MicroBlocks could benefit such as EduBlocks can control TX and RX pins of the ESP32 when connected via WiFi

[Philip Tallents]

MicroBlocks could implement coding over Bluetooth or WiFi in UART1 or UART2 and this would enable the Tx and Rx pins of the ESP32 to be utilised as they are available and tested working in EduBlocks when coding via the WiFi local hosted interface.

https://www.electromaker.io/tutorial/blog/welcome-to-the-esp32-running-edublocks

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[John Maloney]

We just added the ability to use the second UART on boards that have one (including the ESP32). See:

https://wiki.microblocks.fun/reference_manual/comm#serial-open

On an ESP32, the relevant pins are: RX-pin 16, TX-pin 17

Unfortunately, those pins are not available on the M5 StickC/C+ or M5 Atom, but they are available on the M5 Stack Core and on generic ESP32 boards.

This feature is available in the web browser and Pilot release now and will appear in the stable release soon.