Is the elevator control system based on single-chip microcomputer really not usable compared with PLC?
04/06/2019
Do you really know what an elevator controller is?
03/06/2019
The same two residential buildings controlled by an elevator controller will not synchronize when no one is using them?
01/06/2019
Elevator Controller-Card Writer
31/05/2019
What's the reason why the access card reader can't read the card?
30/05/2019
What are the advantages of fingerprint lock over beryllium copper lock?
11/04/2019
Now fingerprint lock is more and more popular, because it has a great advantage over ordinary lock.
1. Anti-theft
Ordinary mechanical locks are easy to pry and open by technology, and they are opened ...