You are reading a single comment by @user73018 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.
@user73018
iPhone SE, which is Bluetooth 4.2 I believe. BLE works in other apps, so I'm hesitant that it's a hardware issue.