The Espruino ground should be connected to the pwr-iso... I'd imagine that won't be helping at all.
@Gordon started
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.
The Espruino ground should be connected to the pwr-iso... I'd imagine that won't be helping at all.