The Raindrops Detection Sensor Module detects rain using a sensing plate and an LM393 comparator board. When water falls on the plate, the digital output changes and the analog output shows how much rain is present. It is widely used in rain alarms and automatic wiper or window projects.
| Comparator | LM393 |
|---|---|
| Supply voltage | 3.3V – 5V |
| Output | Analog (AO) + Digital (DO) |
| Adjustment | Potentiometer for sensitivity |
| Includes | Rain sensing plate + control board |
What is the operating voltage?
3.3V – 5V.
Which output should I use?
Digital (DO) for rain yes/no, analog (AO) for rain intensity.
Can I buy the Raindrops Detection Sensor Module with LM393 in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.