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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.
@user56567
I'm using Alkaline and have checked the 3.3v line, and it appears consistent.
I also hooked up a 5V power supply straight to the USB power and ground to see if there was something going on there, but same behaviour.
I do sometimes get good behaviour but other times I do not.
Is there a way to disable sleep mode? I'm wondering if that might be messing with it.