The switch circuit composed of triode, the 5v voltage connected to the collector can be powered by a 5v button battery, or is there a good method that can be recommended?
I am just a sophomore and have just participated in the school's robot competition. I have gained a lot. The head of the department suggested that I start with embedded systems. I don't know much abou
[size=4] After more than 10 years of development, the LED lighting industry has basically achieved popularization and globalization. Whether indoors or outdoors, LED lighting has become the first choi
The PC sends 01 via the serial port, communicates with the microcontroller via 232 to 485, and after replying 7F, it keeps replying 00. What's going on?
Consequences of plugging the emulator in reverse. The dsp emulator was plugged in reverse, resulting in a series of tragedies: first, the emulator burned out (the emulator got hot and the indicator li
Why does my PCB file not have Mechanical layers? There is no Mechanical layers in the Current Layer on the left. There is no checkbox for Mechanical layers in Design->Options either. What's going on?