[i=s]This post was last edited by paulhyde on 2014-9-15 09:29[/i] In the small-scale production of small electronic products, electronic enthusiasts cannot do without manual soldering when learning ex
1. I think the capacity for uploading attachments is too small. It is a pity that some good materials cannot be uploaded because of the large capacity. 2. Some people will download the materials uploa
The entire topology diagram is as follows
Two switching power supplies, each with its own load. Originally, the two grounds were independent of each other, but now there is interaction between load mo
The anti-theft alarm system is a system that uses detectors of various functions to provide overall protection for the surroundings, space, environment and people of the residents' houses. 2. What is
I have an ultrasonic signal, which is an attenuated sine wave. It comes every once in a while. I want to pull the level down every time the signal comes, so I made a circuit as shown in Figure 1. The