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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.
@RandyHarmon
As I'm seeing it, this is an STM32 F4, with the Marvell module on the breakout board being specifically for wifi.
Maybe there's a significant difference between that and the other STM32 chips Espruino is already running on?