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  • @Gordon I think running off a separate 5V simultaneously would be a niche case, so there's no need for mosfet or diode. If anyone wants to safely add a battery supply, they'd just need a diode for the battery voltage. I noticed this Adafruit board does it like that and it's a great minimal power supply setup:­/assets/000/029/703/original/adafruit_pr­oducts_schem.png?1452721271

    A bare bones espruino sounds great. Kind of like an arduino pro mini. I think espruino could really do with a cheaper model for once you've done all your prototyping and you just want to put it in something and leave it there.


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