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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
Some info about the Serial console in the MDBT42Q
Yes, you can disable the UART console with
Bluetooth.setConsole(true).a: "Note: Serial1 is not enabled by default because it requires the high speed oscillator to stay on, which increases power draw a huge amount. If you connect the UART but don't power down and power on the MDBT42Q, you won't get a serial port."
b: Yes, you can disable bluetooth
NRF.sleep()andNRF.wake(). Note: it disables bluetooth immediately. Even if you are connected via Nordic UART.c: Edit: ok, Gordon was faster, and he is right about the regulator or not...