The 2019.02.21
https://kitsbitsnbytes.wordpress.com/2017/07/30/puck-battery-how-long-will-that-cr2032-battery-last/
Quick Start Best Practices - Puck tips - increasing battery life - change xmit distance - advertising interval
http://forum.espruino.com/conversations/324125/#comment14359775
@Robin started
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.
The 2019.02.21
Quick Start Best Practices - Puck tips - increasing battery life - change xmit distance - advertising interval
http://forum.espruino.com/conversations/324125/#comment14359775