Here is a forum posting from an arduino project that is connecting to a Qu-16 (same series as mine), and I'm doing basically what he's doing: https://forum.arduino.cc/index.php?topic=230326.0
@indianajones 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.
Here is a forum posting from an arduino project that is connecting to a Qu-16 (same series as mine), and I'm doing basically what he's doing: https://forum.arduino.cc/index.php?topic=230326.0