They are all old stuff. I didn't throw them away. I just put them in a drawer. I can exchange them if I find something suitable. I don't need them anyway. 3 2G and 1 1G...
1. What is mmWave?mmWave is a sensing technology that can be used to detect objects and provide information about their distance, velocity, and angle. It is a contactless technology that operates in t...
Has anyone written the driver code for an SD card? The driver code I saw in the example program of the STM32 development board is more than 3,000 lines long, and the initialization and operation proce...
This book is printed in two colors with pictures and texts, and mainly explains the practical knowledge points of dozens of categories and hundreds of components, such as resistors, capacitors, induct...