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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.
@the1laz
I just checked out those STM32F0x2 controllers you mentioned @Gordon and they do look handy. Not just the size and not needing so many external components, but they've got some handy features built in too (HDMI CEC, CAN, capacitive touch, etc.). I was wondering about decoupling capacitors though, as I also noticed you don't have them on all power pins of the pico. Have you found that it's overkill to have all of them?
As for the STM32F7, I do like the idea of a beefier espruino for some applications (robots, "central" home automation controllers, graphics) where you don't want an OS overhead, but I agree that small and low-power is your core market.