A sensor is required to trigger an interrupt, and there are no other sensors in your picture. When the data packet is sent, 5V is turned on. This is to achieve low power consumption, otherwise the battery will be exhausted soon.
Triggering an interrupt requires sensors, and your picture has no other sensors. 5V is turned on when the data packet is sent, which is to achieve low power consumption, otherwise the battery will be consumed quickly.<br>
Triggering requires sensors, and there are no other sensors in your picture. When the data packet is sent, 5V is turned on, which is to achieve low power consumption, otherwise the battery will soon be exhausted.