If the board does not have GND and VCC lines, do they still need to be coated? Also, will copper coating without a network also coat my signal lines? After I tried it, the whole board reported an erro
I am working on an infrared light transmitting and receiving project. The receiving tube will output a 2uS wide pulse with the same frequency as the input light and variable amplitude according to the
How to use transistors and MOS tubes to control the switch of negative voltage, for example, -10V input, I want to use a microcontroller to control the -10V output, how to achieve it, is there any rec
I successfully used CPLD to drive MAX7219 to transmit 16-bit parameters.
I see that microcontrollers transmit 8 bits of data at a time, and I also want to use CPLD to transmit 8 bits of data.
But ther
I'm working on car charger (27W) and wireless charger (maximum 15W) recently, but I can't pass EMC (radiation and conduction). What bothers me most is that I don't have a good design circuit for the f