[align=left][color=rgb(51, 51, 51)]During the circuit design process, applications engineers often overlook the layout of the printed circuit board (PCB). The problem often encountered is that the cir
Motion detection is an important part of security system and PIR sensor is one of the most commonly used sensors to trigger alarm when motion is detected. This sensor can easily detect the motion of p
Regarding mobile phones and tablets, I have read a lot of Baidu posts and review posts on the Internet. I have analyzed the major brands from the perspectives of CPU, size, screen, battery, software,
I changed the pin definition but it still doesn't work, and then I connected the ground wire. I tried adding a power supply but it still didn't solve the problem. I hope someone can give me some advic
0 resistance, don't think its resistance is really 0! It is not a wire!A few years ago (I won't tell you how many years it is, as it would expose my age), I started learning to draw circuit boards wit