qmk_firmware/keyboards/handwired/onekey/teensy_lc

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.