The famous and popular Blue Pill board with STM32F103C8T6 is in our GitHub examples now. There are helpful Python scripts, Jupyter notebooks and C/C++ programs that showed work with ADC, GPIO and CAN bus peripherals. GitHub repo: https://github.com/remotemcu/remcu_examples/tree/master/STM32F103C8T6-Blue-Pill
Connect to CAN bus with help STM32F103 – Sending and receiving a CAN message got a lot easier using REMCU Lib. We have added new examples to Github repo: https://github.com/remotemcu/remcu_examples/tree/master/STM32F103RCT6 They can run on MacOS, Linux including Raspberry Pi!