What is the status of China's foreign trade import and export recently?
On April 30th, the Ministry of Commerce held a regular online press conference. The spokesperson said that the current epidemic's impact on China's foreign trade is mainly on the demand side, with...
Is the wireless charger radiant to the human body?
Technology is more and more developed, wireless charging replaces wired charging, simple and convenient. Wireless charging technology has obtained 20 patents in 2007. A variety of devices can use a...
Circuit Design of 65W Laptop Adapter
Probe domestic double-head probe 038-BB-5.7L The shape of the two ends of the needle is outside the pointed needle Photocoupler Summary: The power supply design uses the TOP259EN device. The...
USB-C 65W PD Power Adapter
The Type-C charger was recently studied, so some chargers were disassembled. One of them turned out to be the NetEase brand charger. . . . Didn't the hammer make mobile phones? Everyone is playing...