~ruther/qmk_firmware

1971f22285ad1b46be1ea41e99966bc10217ad9f — Adam Perlman 5 years ago 24cf6dc
Update split i2c docs for example of when pull-ups are required (#7143)

1 files changed, 1 insertions(+), 1 deletions(-)

M docs/feature_split_keyboard.md
M docs/feature_split_keyboard.md => docs/feature_split_keyboard.md +1 -1
@@ 47,7 47,7 @@ The 3 wires of the TRS/TRRS cable need to connect GND, VCC, and D0 (aka PDO or p

The 4 wires of the TRRS cable need to connect GND, VCC, and SCL and SDA (aka PD0/pin 3 and PD1/pin 2, respectively) between the two Pro Micros. 

The pull-up resistors may be placed on either half. It is also possible to use 4 resistors and have the pull-ups in both halves, but this is unnecessary in simple use cases.
The pull-up resistors may be placed on either half. If you wish to use the halves independently, it is also possible to use 4 resistors and have the pull-ups in both halves.

![I2C wiring](https://i.imgur.com/Hbzhc6E.png)