Recently, a friend discussed a question about turning off the power supply voltage. When we use MOSFET tubes, we are confused about whether to choose N or P. N or P? is a question. So what do you thin
This is the 51 single-chip meteor lamp program found on the Internet. The software simulates PWM and has a trailing effect. The IO port of P0 has 8 outputs. If I want to change it to 16 outputs, how c