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keychron_qmk_firmware/keyboards/handwired/onekey/teensy_lc/readme.md
Joel Challis 2a56b61a28 [Keyboard] Refactor of onekey to support multiple development boards (#6017) 
* Initial refactor of onekey to support multiple development boards

* Fixes to get teensy lc && 3.2 working

* Add pin tables

* Add caveats to Teensy boards

* Correct bootloader for Elite-C
2019-06-26 10:52:09 -07:00

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Teensy LC onekey

To trigger keypress, short together pins D5 and B2 (marked on the PCB as 20 and 19).

Hardware

Pins

When setting matrix pins, you need to use the MCU definitions instead of what is printed on the PCB. Sourced from https://www.pjrc.com/teensy/schematic_lc.gif. The following table can be used to convert between the two.

PCB MCU Notes
0 B16
1 B17
2 D0
3 A1
4 A2
5 D7
6 D4
7 D2
8 D3
9 C3
10 C4
11 C6
12 C7
13/LED C5
14/A0 D1
15/A1 C0
16/A2 B0
17/A3 B1
18/A4 B3
19/A5 B2
20/A6 D5
21/A7 D6
22/A8 C1
23/A9 C2
24/A10 E2
25/A11 E21 [1]
26/A12 E30 [1]

[1] - Currently not configured and may require extra work to implement.