Comments (4)
Are you using the code from the master
branch? The i2c code from the c44
branch is broken.
Here's a split-test-i2c.hex
you can use to check if your wiring is right. Make sure to flash it to both halves.
- Check the TX LED (next to pins 14,16) on the promicro which has the USB cable plugged in. It will light up when it cannot detect an I2C connection.
- Check your wiring and the pull-up resistors for i2c.
from tmk_keyboard.
Hello,
I've flashed both halves with the provided hex files and the TX LED lights up, checked the wiring, but I could not figure out what's wrong. It works on the serial connection though. Isn't the serial connection enough for a split keyboard? What's the advantage of using i2c?
from tmk_keyboard.
In theory it's faster, but you should not be able to notice this in practice.
You don't really need to use i2c, unless you:
- want to do a 3+ way split keyboard
- want to send lots of data between the halves (e.g. per key LED matrix control information.)
from tmk_keyboard.
I see, well for a dactyl keyboard serial will suffice. Thanks for your help :)
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Related Issues (2)
- Use with Teensies? HOT 3
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