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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.
@Gordon
Yes, that looks fine - as @maze1980 says the charger may well not provide any power without a battery also attached.
Only thing I'd say is there's actually a specific set of 2mm spaced holes for the JST connector (see the pic) - these have the same connections as you used but it allows you to still add pins, or to use the power pins down the side to connect other stuff.
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