The BlueNRG-LP is an ultra-low-power Bluetooth low energy SoC device that can reach +8 dBm output power at the antenna connector. However, the maximum output power allowed by the Bluetooth standard is
Some pins are not seen on the microcontroller, but can be found on the schematic diagram, indicating that these pins are not brought out
The pins on the microcontroller can be operated externally, and
In the official documentation, guidance on adding external C modules to MicroPython has recently been added: [url=https://github.com/micropython/micropython/blob/master/docs/develop/cmodules.rst][hide
Understanding the structure of C language programs
Use a simple C program example to introduce the basic structure, format, and good writing style of the C language, so that students can have a prel