Clicky, the Bitcoin Switch

👉 An absolutely incredible bitcoinSwitch guide by Axel 👈

Also check out our video tutorial.

✅ $8 worth parts / 15min setup

✅ Websockets for blazingly fast turning on the things

✅ Web-installer/config for easy setup

✅ Support for MULTIPLE GPIOS/LNURLs (!)

Flash and configure via webinstaller https://bitcoinswitch.lnbits.com/

Things you can turn on with a switch

There is a broad range of things from lamps, to candy-, claw or even arcade machines that can be turned on by a lightning payment with Clicky. Have a look at the LNbits shop what we did or check the LNbits wiki on how to build those yourself.

What you need

• esp32 dev kit

• High level relais

• Female to male and male to male cables

• Data cable

• Optional: a case

• Desktop PC

• LNbits LNURLdevice Extension

• Something to turn on

  Once flashed, press GPIO4 in few seconds of ESP32 booting up to be able to config.

  Got questions ? Join us t.me/lnbits, t.me/makerbits

  Complicated install instructions not using browser flashing

  • Install Arduino IDE 1.8.19

  • Install ESP32 boards, using boards manager

  • Download this repo

  • Copy these libraries into your Arduino install "libraries" folder

  • Open this bitcoinSwitch.ino file in the Arduino IDE

  • Select the correct ESP32 board from tools>board

  • Upload to device

  

  Development

  build with arduino-cli

  sh build.sh

  build webinstaller, fetch main assets from lnbits.github.io

  sh build-installer.sh

  start preview

  cd installer
  http-server -p 8080

  arduino-cli

  compiling

  arduino-cli compile --build-path build --fqbn esp32:esp32:esp32 bitcoinSwitch

  monitoring

  arduino-cli monitor -p /dev/ttyUSB1 -c baudrate=115200

  uploading

  arduino-cli upload --fqbn esp32:esp32:esp32 --input-dir build -p /dev/ttyUSB1