Take a look into this module
https://github.com/espruino/EspruinoDocs/blob/master/devices/SSD1306.js
@MaBe 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.
Take a look into this module
https://github.com/espruino/EspruinoDocs/blob/master/devices/SSD1306.js