1. Capacitor open circuit, because the capacitor and the secondary winding are connected in series, the capacitor open circuit is equivalent to the se...
1. It is only allowed to be used when the technology is intact and must be used with safety awareness and danger awareness in accordance with the...
There are many types of door openers. Here, we only take the sliding door opener as an example to introduce the components of the door opener: ...
1: Clean up dust, garbage, and dirt. If it is solidified, it can be scraped with a blade. Be careful not to hurt the innocent. Of course it doesn't me...
1. First of all, it is necessary to understand that the door opener is not affected by the original structure of the door post and the gate. Any side-...
The sensor of the door opener is controlled by infrared, ultrasonic, microwave and other beams. The transmitter of the door opener is on the door fram...