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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.
@tve
ch_pd can indeed be used as reset.
The resistor on gpio15 is most likely not needed as long as you don't output on gpio15, which would result in excessive power consumption (I've had this happen).
I have not tested the quiescent current on the regulator. I'm not sure how much it matters. I recently read http://www.ganssle.com/reports/ultra-low-power-design.html about battery operation, which I've found very fascinating.