Dear forum elder brothers and sisters, I am recently making a light with photosensitive control + PIR human body induction, powered by three AA batteries connected in series. Recently, I have encounte
I want to ask if the current of the voltage-dividing optocoupler will be too small. I have simulated this circuit and manually soldered the board, and the results are consistent with the simulation re
[i=s] This post was last edited by a media student on 2018-9-9 23:37 [/i] [align=center][font="][color=#9932cc][b]【GD32F350 Urban Youth Family Security Guard】The third post: Human body sensing module
On February 8, Huawei has taken a series of actions in response to a series of rumors about the change of senior management and the sale of business of Huawei that appeared in WeChat groups and public
Hello, seniors: I am new to the IC industry and I am not studying this major. I don't understand many questions. So I would like to ask all the teachers, please give me answers. A few days ago, a cust
1 Introduction At present, the number of portable devices such as mobile phones, laptops, wireless drills, digital cameras, MP3 players, etc. is increasing day by day, and there are many kinds of them