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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 - please can you give the latest cutting edge build a try?
The nRF52 has an issue where it needs a few other pins to be set up (just to other GPIO that aren't connected) in order to make the I2S peripheral work. Those weren't set up before but I've just tried to find two unused GPIO and put a change in and hopefully that'll fix it for you https://github.com/espruino/Espruino/commit/072a066dcb94ab7eab775267c5d91420f86e79f6