This would actually be a really neat use for a Pixl.js (or just a Puck/MDBT42 with a display attached). You could actually display some historical data to give you some idea how things were going, and could then just leave it by the side.
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.
This would actually be a really neat use for a Pixl.js (or just a Puck/MDBT42 with a display attached). You could actually display some historical data to give you some idea how things were going, and could then just leave it by the side.