You are reading a single comment by @user58623 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.
@user58623
So i would hook up the gnd to gnd and Rx on the bluetooth to the usart rx on the hy board? Is there a certain munber one i need to use? and the same with the Tx? and then power it with the 3.3v out from the hy board?