Pls use 5V/2A adapter, otherwise it can’t work

1. When there is no cup, it is normal for the three lights to flash together
2. When there is no cup, a light is on, and the gravity switch is pressed to
3. When the cup is placed, the three lights flash together because the gravity switch is not in contact
4. The three lights flash back and forth because the current is insufficient, you need to use a 5V-2A plug
5. Only two keys can be pressed, one is the water cup on the left, and the other is the key on the far right. The other keys cannot be pressed because of insufficient current.