First, here is a picture of the finished product. It is not beautiful without the shell. But the sound quality is OK, which is enough for me who is not sensitive to sound.It is very simple to make. In
AFE (analog front end) is analog front end in Chinese. It refers to the battery sampling chip in BMS, which is used to collect battery cell voltage and temperature, etc.Before writing this, I thought
As a worker with several years of experience in electronic product development, I feel that making civilian consumer products is like playing with building blocks. Nowadays, the basic modules of produ
Motor and Drag (Motor Part) Harbin Institute of Technology : https://training.eeworld.com.cn/course/5318Mr. Li Yong from Harbin Institute of Technology teaches motors and traction motors
I wrote a clock design based on STC89C52RC, DS1302 and 8-bit common cathode digital tube, but now when I press the key to adjust the time (hour, minute, second), the tenth digit does not carry, that i