You are reading a single comment by @CriscoCrusader and its replies.
Click here to read the full conversation.
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.
@CriscoCrusader
I mean my custom board. It has a JST connector for Li+ battery. I don't have a battery. I was thinking the slave devices would get power from 3.3v, but I'm thinking now the board only uses 3.3v as ref.