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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.
@fanoush
In the info @MaBe linked it looks like the C3 mini with black ceramic antenna is bad and the red one may be OK? And also the older "Lolin C3 mini" with PCB antenna is bad (some HW fix here) while newer one (V2.1.0) with ceramic antenna is better?
EDIT: by the first C3 mini with red/black antenna I meant something that looks like this board https://www.waveshare.com/esp32-c3-zero.htm but maybe I am wrong?