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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.
@FyberChris
We have some Flex Module prototypes for sale at our new Tindie store. We will be releasing more Flex Modules and demo projects utilizing them. We have STM32F401CC and STM32F411CC modules available (they have the same pin layout). The STM32 Flex Module along with the USB BiPower3.2 Flex Module provide USB connectivity.