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keychron_qmk_firmware/keyboards/handwired/splittest/teensy_2/readme.md
Joel Challis 0da743d80b [Keyboard] Refactor handwired/splittest to support multiple boards (#6373) 
* Refactor splittest to support multiple dev boards

* Refactor splittest to support multiple dev boards - revert change to number of RGB led

* Refactor splittest to support multiple dev boards - update docs

* Refactor splittest to support multiple dev boards - correct docs

* Refactor splittest to support multiple dev boards - update teensy master logic
2019-07-20 13:35:30 -07:00

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Teensy 2.0 splittest

To trigger keypress, short together pins F5 and F7

Wiring

  • Add switches to both Teensy 2s across F5 and F7 pins
  • Add pull-up resistor to left side between VCC and F0
  • Add pull-down resistors to right side between GND and F0
  • Connect the following pins on both sides together: D0, D1, GND, VCC
  • Add I2C 4.7kOhm resistors between D0 and VCC, and D1 and VCC
  • Wire Di of RGB strip for each half to D3