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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.
stevo
One on the right is an ESP12E, one on the left is an ESP12F.
The ESP12F has a better antenna as noted above.
Does using DIO instead of QIO mode (on boards wired for the former only) mean that we can use GPIO 9 and 10 from within Espruino?