The software of the µ-remote is based on open source libraries and is available under the public domain license. Follow the developement or take part.
Visit the Git Repository.
The hardware consists of three boards, a Adafruit Feather is the central microcontroler providing a Bluetooth module. The display module is the 96x64 pixel color OLED from the same company. A custom made third board combines the rotary encoder, the record switch, a 3,5mm jack plug and the S.Bus inverter. This design reduces the use of cables to a minimum.
A new concept replaces the old project. New design, a lot of new features like Bluetooth control or an interface for the Zhiyun servo follow focus control makes it more powerfull.
You don't like the tiny buttons of the BMMCC? You own a 3D-printer? Than look at my simple solution.