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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 - I'm afraid not. I have to get the boards manufactured in the 1000s to get the cost down, so doing 1-offs gets painful, especially as I'd have to do a custom build of the software.
You could swap the chip over yourself, or have you considered an Espruino WiFi board? Even if you don't use the WiFi it has a faster processor (F411), more RAM and Flash, and an external RTC oscillator.
Was there something specific you wanted the F412 for?