You are reading a single comment by @Gordon 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.
@Gordon
Try
LoopbackB.write(command());- LoopbackA goes to B and vice-versa. The console's reading and writing on A, so you need to do everything else on B.