The circuit board is powered by a constant voltage source, and the output voltage is the correct +-5V, but when it reaches the circuit board, it becomes +2.2, -7.8. Are the components on the circuit b
1). What are the advantages and disadvantages of SOHC and DOHC? The design of DOHC is to make the angle of the flap more suitable for the shape of the combustion chamber, so the overall flap area can
1. Why use UPS? There is a common misconception that the mains electricity we use is continuous and constant except for occasional power outages. In fact, this is not the case. As a public power grid,
As the title says, my project is the design of wireless communication module for inverter power supply. The teacher asked me to realize wireless communication function based on ZigBee after summarizin