Many engineers will subconsciously ignore the readme when they get the Geehy example, but actually the readme is very important for the whole routine. readme mainly introduces the example of what to do, how to wire, peripheral configurations, IDE environment, hardware environment and so on, R & D engineers are not too clear about how to use the example, then you can open the readme.txt to see.
The following APM32F407_MINI board as an example:
Open the readme file in the I2C folder of the APM32F4xx example.
The readme describes the example description
The readme introduces wiring, configuration, IDE environment, hardware and software environment, etc.
Afterwards, you can prioritize the readme text before using the example, which contains a lot of important information about the example.
