In the design of high-speed PCB, the interference problem in the PCB design of digital-analog mixed circuits has always been a difficult problem. In particular, analog circuits are generally the sourc
1. Basic process of chipRD The design and development of a chip, first of all, is to design the application system according to the needs of the product application, to preliminarily determine the app
A pyWatch that supports BLE and micropython, uses STM32L4R9, and has a beautiful round dial.The project is still under development.https://hackaday.io/project/85410-pywatch
Recently, I am designing a DC-DC control circuit with adjustable voltage. I use a DAC of a single-chip microcomputer to output an analog voltage Vset to set the adjustable voltage output Vout of the D
Frequently asked questions, divided into several parts (please add to it)1. How to perform serial port programming2. What to do if you encounter problems with serial port programming3. What programmin