Just to add - I notice you're in the UK. Do you own a volt meter that can measure current?
Given this would be such a nice feature to have, I could always post you one of the reject Bangles that we have here, with wires brought out so you could measure power consumption?
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.
Just to add - I notice you're in the UK. Do you own a volt meter that can measure current?
Given this would be such a nice feature to have, I could always post you one of the reject Bangles that we have here, with wires brought out so you could measure power consumption?