Hotel IC card intelligent lock

This is very simple. There is a small motor in the lock core. When the door is opened, the motor rotates for 200 seconds, which drives an elastic piece in the lock cylinder to bounce off. At this point, press the handle to open the door. After the lock is opened, the motor rotates reversely, driving the elastic sheet to return to the original locked position. Press the handle at this time, and the lock cannot be opened. So it opens once a day. In fact, the motor rotates forward and backward for 200 milliseconds each, which consumes little power. Of course, it can use four batteries for tens of thousands of times. The shrapnel in the lock core is actually equivalent to a slotting function. I specialize in electronic locks. Please leave me a message if you don't understand anything. Remember, give points next time!