Scientific progress has changed all aspects of our life. Led shoes that we thought were cool before are now embedded with motion sensors and wireless Bluetooth modules, with more dynamic lighting chan
2021-11-27
This Bluetooth smart lock scheme uses Bluetooth short-range radio transmission technology on the door lock. The Bluetooth chip is embedded in the electronic lock. Users can freely set the access contr
2021-11-27
The intercom doorbell scheme is based on the development and design of Boke a8101In recent years, the development of smart city has driven the rise of security industry, and video surveillance has bec
2021-11-27
Classification and characteristics of welding materials in SMT patch processingSolder in SMT chip processing can be divided into tin lead solder, silver solder and copper solder according to their com
2021-11-27 admin
