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Anonymous users2024-01-24The terminal of the electronically controlled lock is actually an electromagnet, which controls a simple mechanical device to open and close the door. However, the action of the electromagnet is through a series of commands. When it cannot be controlled, the voltage transmitted to the electromagnet is measured first, and the door opening and closing instructions are entered at the same time (some are electromagnetic cards, and some are input secrets).
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Anonymous users2024-01-23Absolutely, and it's simple.
It is recommended to use only two of the cores, and it is recommended to divide every 4 cores into one group, and 8 cores into two groups, so that the resistance can be reduced.
When we find the solenoid switch, let's assume that one end of the solenoid switch is connected to the power supply negative, and the other end is often connected to the drive tube. (If the opposite is true, the following scheme can be flexibly changed).
We only need to connect one end of the network cable on the first floor to the driver tube, and the other end of the network cable to the power supply. A button switch can be connected to both ends of the building network cable.
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Anonymous users2024-01-22You'd better hire someone to do it. Why bother modding?
The working voltage of the unit security door downstairs is 12V, regardless of positive and negative poles, it should have a power box, and the power outlet is disconnected, and one is connected to the lock.
In this case, the small lock inside is already locked, so you can't open it with the key. Only by opening the small lock from the inside can the door be opened with a key from the outside.
The easiest way is: 1. Call 110 for help110 for help, and the service is very responsive. 2. Check the local unlocking company with legal procedures online.
Anti-theft door lock unlocking priceIf it's just unlocking, it's generally about 50-60 yuan. >>>More
Twist it to the door shaft. Screw it to the end and it opens.