BTCIOT Tutorial - The Flux Capacitor, a cheap/low-powered POS
⚡I slipped, hit my head on the sink, and when I came to I had a revelation! A vision! A picture in my head! A picture of this!⚡ - Doc Brown
⚡Where we're going we don't need roads⚡ - Elizabeth Stark
Today in BTCIOT we make a Lightning Network point of sale device, The Flux Capacitor!
The project is a continuation from the other BTCIOT tutorials, and uses much of the same code (so its reccomended you complete those tutorials first, particularily https://www.youtube.com/watch?v=TB5ZF6uvyI4).
We use a cheap arduino epaper module (MH-ET LIVE or WaveShare 1.54inch) and the ESP32 to communicate to OpenNode's API and generate/display LN charges,.
https://github.com/arcbtc/flux-capacitor/tree/master/ONversion
Tutorial uses OpenNode API
https://opennode.co/join/f774f2a0-1377-45e2-b719-6b821f24900d
Hardware
-EPAPER module MH-ET LIVE or Waveshare 1.54inch
-ESP32 Devkit v1
-Project box
-Adhesive matrix keypad
-LIPO batery
Additional ESP32 libraries
https://github.com/bblanchon/ArduinoJson
https://github.com/ZinggJM/GxEPD2
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Props to:
Tone Vays for intro
Music - Timecrawler 82 Osaka Lights
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