[img=543,284]https://imgsa.baidu.com/forum/w%3D580/sign=27da156c8944ebf86d716437e9f8d736/0de73901213fb80e37564db838d12f2eb83894e3.jpg[/img] [color=#333333][font="][size=14px]I would like to ask the ex
The minimum microcontroller system , or the minimum application system, refers to a system in which a microcontroller can work using the least number of components .
For the 51 series single-chip micr
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I would like to ask you experts, the project needs to use USB 5V charging, and I am going to use BQ21040 to make a single-cell lithium battery charging protection circuit. Does the battery need an add