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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.
@Jorgen
The ESP-12 has only one blue smd LED. I have a lot of these modules for other projects and the LED will light on startup and on connection to WiFi etc...
But in my case it will only blink once I plugin the Pico to USB-Port.
I'll try tomorrow to measure the A2/A3 that they aren't shorted...