buttfinity
[READ-ONLY] Mirror of https://github.com/flo-bit/buttfinity. smart buttons w/ gridfinity for smart home, macropad, midi keyboard and more flo-bit.dev/buttfinity
esp32 esphome gridfinity home-assistant macropad
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buttfinity docs hardware 1-Hardware.md
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Parts #

Note

Amazon links are to the german amazon store and are not affiliate links, just where I bought the parts, I've tried to always use the most available parts, feel free to buy elsewhere. You can also use different microcontrollers, buttons/sensors, etc, see Creating your own lids/bins for more information.

Microcontroller #

  • ESP32 D1 Mini USB C amazon (recommended version, lots of pins, works as a BLE keyboard)

  • ESP8266 D1 Mini USB C amazon (cheaper version, less pins, DOES NOT work as a BLE keyboard, only for controlling your smart home with home assistant)

  • RP2040 Zero Mini amazon (no bluetooth or wifi but works as a HID usb device)

Various #

Buttons/controls #

Note

You don't need all of these, mix and match to your needs/preferences. If you have some other buttons/controls, feel free to design your own lid (if you design something with a widely available part, a PR is welcome).

For corresponding lids, see here.

  • MX keyswitches amazon
  • Self-locking push button switch 8x8mm amazon
  • Rotary encoder amazon
  • Slider potentiometer 10k amazon
  • Capacitive touch sensor amazon