Program Overview
This solution is widely used in charging mobile phones, MP3, MP4 and other digital products. A 5V power supply is connected to the input terminal to wake up the MCU, thereby entering
[color=rgb(0,0,0)][backcolor=rgb(255,255,255)][b][color=#000000]Chapter 49[/color]Music Player Experiment[/b][align=left] A few years ago, MP3 was all the rage, and almost everyone had one. If you can
How to effectively choose a lithium battery protection board1. Classification of protection boards1. Lithium iron phosphate is 3.2V2. Ternary lithium is 3.7V2. How to choose the protection current1. C
Author: Qiu Huihui[img]http://www.eetrend.com/files-eetrend/Ross_Freeman.jpg[/img]He was once an IC design engineer. He had the courage to imagine and challenge authority. At the age of 35, he created
Because it is no longer used, it is now out. The board is more than 90% new. It has only been programmed a few times and has never been plugged in external cables to ensure that the interface is not d