The power supply circuit uses a 2596 switch chip. Because the product requires 3.3V to power the wireless module, I added a π-type filter between 5V and 3.3V to ensure the clean power supply of the wi...
Variable frequency series resonance It is a device that changes AC voltage, current and impedance. When there is AC current in the primary coil, AC magnetic flux is generated in the iron core (or magn...
[align=left][color=#222222][font=Arial, Verdana, sans-serif][size=12px] The hazards of static electricity in the electronics industry can be divided into two categories: one is the adsorption of float...