You could take a look at http://www.espruino.com/Pixl.js+Multicolour - it has somewhere to solder an ESP01 WiFi module the the voltage regulator is powerful enough for it.
Still not HTTPS but it's got a lot of the benefits of Pixl.js, plus WiFi and a fancy screen
@Gordon 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.
You could take a look at http://www.espruino.com/Pixl.js+Multicolour - it has somewhere to solder an ESP01 WiFi module the the voltage regulator is powerful enough for it.
Still not HTTPS but it's got a lot of the benefits of Pixl.js, plus WiFi and a fancy screen