Question

please write rain detector principle (5-6lines)
and working of rain detector ​

Answer 1

Answer:

Image result for please write rain detector principle (5-6 lines) and working of rain detector ​

The heart of rain alarm circuit is rain sensor which is used to detect the presence of water. When rain drops falls on the sensor, it creates a conducting path and triggers the 555 Timer IC. Once the timer IC is triggered, it will activate the alarm.