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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@indianajones
I think I've talked myself out of USART - not because of this conversation, but because I thought I could connect multiple Picos a la RS485 via USART, but I think that wouldn't be very easy to accomplish. So instead of USART, I'm considering other options. I2C or USB perhaps.