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keychron_qmk_firmware/keyboards/handwired/splittest/teensy_2
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fauxpark 3dbf08b655 Cleanup rules.mk for 32U4 keyboards, H (#7030) 
* Cleanup rules.mk for 32U4 keyboards, H

* Change some boards incorrectly assumed to be halfkay
2019-10-20 12:51:37 -07:00
..
config.h SPLIT - Remove NO_USB_STARTUP_CHECK requirement for usb detection (#7053) 2019-10-17 23:37:37 +01:00
readme.md
rules.mk Cleanup rules.mk for 32U4 keyboards, H (#7030) 2019-10-20 12:51:37 -07:00

readme.md

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