# Rain sensor module

> Rain sensor module (ref. 22151) for detecting rain and snow, with a 50 x 40 mm PCB board for capturing droplets. Compatible with Arduino and other development boards, includes a connecting cable. Powered at 3-5VDC, with analog output AO for precise measurement and digital output DO as a TTL switching signal for fast switching. Useful in automation and IoT projects.

- Page: https://sigmanortec.ro/en/rain-sensor-module
- Price: 8.47 RON
- Availability: In stock; 1-2 zile
- Reference: 22151 · EAN: 5949483054863
- Category: Mechatronics and IoT > Sensors and Modules > Temperature and Environmental Sensors
- Package (shipping data): 0.01 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Description

The rain and snow detection module, useful in automation and IoT projects, includes a 50 x 40 mm PCB for capturing drops, an Arduino compatible module and other development boards, plus a connection cable. It operates at 3-5VDC and offers analog AO outputs for precise measurement and TTL digital DO outputs for fast switching.
Rain and snow drop detection sensor.
Includes PCB board for drop detection, module compatible with Arduino and other development boards, cable.
Power supply voltage: 3-5VDC
Output: Analog and Digital
VCC: (3-5V)
GND: ground
DO: TTL switch signal output
AO: analog signal output
PCB board dimensions mm: 50 x 40