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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
Yes, there is - use the Espruino command-line tools (https://www.npmjs.com/package/espruino) with the
--ohexoption - there are some docs for it on that page.It depends a little on the MCU you're using, but if you're using nRF52 like most people seem to then you can just use normal tools used to merge the softdevice to merge the generated hex file.
Or... You can just set one device up how you like it, read back the contents of flash into a file, and write that file to everything.