Honestly, I've been having a lot of battery issues too recently. I've been having to change them out every few days. Just connected via BLE - getting worse battery life than with v199. Let me know if you'd like me to start my own topic for this.
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.
Honestly, I've been having a lot of battery issues too recently. I've been having to change them out every few days. Just connected via BLE - getting worse battery life than with v199. Let me know if you'd like me to start my own topic for this.