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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.
@AkosLukacs
@MaBe good find! It works!
Had some issue when tried to get the HW I2C working on the ESP8266. Probably it was just wiring, or dunno, that's why I had software I2C there. But just tried now, and it does work!
And one more bit of info: since the "hold master" measurement failed, tried the "no hold master" way of things with my code on the ESP32.