Radioberry I²C Expansion Emulator

[Łukasz Radzikowski]

Hi,

I have published the Radioberry I²C Expansion Emulator project.

It is an emulator of I²C devices natively supported by Radioberry, based on the STM32F411CEU6 Blackpill board. The project emulates:

• MAX11613 — power / SWR measurements,

• MCP23008 — filter, relay and open collector control,

• MCP4662 — PA bias control using PWM.

From the Radioberry side, the emulator behaves like real I²C devices with the same addresses and basic functions. To keep the firmware simple, only the parts of the protocols actually used by Radioberry are implemented.

Project repository:

https://github.com/SQ5BAR/STM32-Radioberry-I2C-Expansion-Emulator

Feel free to take a look, test it and share any feedback.