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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.
@Gordon
Hi Lorenzo - maybe you could ask RAK themselves?
Without anything running (eg. just after boot), Espruino should manage around 20uA from the nRF52832 chip (0.02mA), and with
NRF.sleep();Espruino should do 3uA.So the increased power draw will likely be from the circuitry around the nRF52832, but I don't know enough about RAK's design to be able to help you out properly.