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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.
@DrAzzy
There were a few bigram builds that may have had problems with serial 1, but they should be fixed now (should be fixed as of 3 weeks or so ago). The way I make those builds is I clone the repo, replace ESPRUINOBOARD.py with a modified version, and then start the build.
The only modification made to the ESPRUINOBOARD.py is changing lines 23, 32, and 33 to 3250, 64, and 512 respectively.