Looks like espruinos I2C is almost 10x faster than mongoose
This could be the issue? AFAIK I2C devices generally don't mind going slow, but some of them really don't like higher clock speeds.
@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.
This could be the issue? AFAIK I2C devices generally don't mind going slow, but some of them really don't like higher clock speeds.