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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
Where are you measuring the voltage drop? The FET shouldn't really drop any noticeable voltage. It could be from the voltage regulator, but when I measured there was very little voltage dropped. Are you powering something else as well that might be drawing a bit of current?