deskthority

Hey, sorry for the delay in responding. Nothing obvious stands out, but I confess to not looking super deeply. Things I would try if I were you:

* Does the clock divisor of 2 impact the SPI bus speed computation in the ble code? I'm not sure, but it should be ok if the effective clock speed in F ...

I added support for the Adafruit Feather BLE module (https://www.adafruit.com/product/2829) to QMK.

If you're using the Feather with onboard BLE, you just need to turn on support in your keyboard's rules.mk:
https://github.com/wez/qmk_firmware/blob/flutterby/keyboards/flutterby/rules.mk#L19

If you ...