---
product_id: 167946638
title: "Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc."
brand: "cqrobot"
price: "$118434"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/167946638-contact-water-liquid-level-sensor-compatible-with-raspberry-pi-arduino
store_origin: CO
region: Colombia
---

# Low power consumption High sensitivity liquid detection Multi-orientation mounting Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.

**Brand:** cqrobot
**Price:** $118434
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of the curve with smart, precise liquid level sensing!

## Quick Answers

- **What is this?** Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc. by cqrobot
- **How much does it cost?** $118434 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/167946638-contact-water-liquid-level-sensor-compatible-with-raspberry-pi-arduino)

## Best For

- cqrobot enthusiasts

## Why This Product

- Trusted cqrobot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Durability:** Corrosion, high temperature, and pressure resistant for reliable outdoor use.
- • **Flexible Installation:** Compact probe supports vertical, horizontal, diagonal placements to fit any setup.
- • **Plug & Play Compatibility:** Seamlessly integrates with Raspberry Pi and Arduino for smart automation.
- • **Precision Optical Sensing:** Photoelectric sensor ensures accurate water level detection without mechanical wear.
- • **Customizable Output Voltage:** DIP switch toggles signal output between 3.3V and 5V to match your system.

## Overview

The CQRobot Contact Water/Liquid Level Sensor is a compact, photoelectric sensor designed for precise liquid level detection. Compatible with Raspberry Pi and Arduino, it features corrosion resistance, low power consumption, and flexible mounting options, making it ideal for automated irrigation, aquariums, and agricultural applications.

## Description

CQRobot Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.

## Features

- Contact Water/Liquid Level Sensor, This is a photoelectric water liquid level sensor that is operates using optical principles. Open collector output mode, suitable for connecting various circuits and product applications.
- The sensor has no mechanical parts, requires no additional adjustment, and has high sensitivity, low power consumption, corrosion resistance, high pressure resistance, high temperature resistance and chemical stability.
- This sensor probe is small in size and has a structure that can be placed up, down, laterally, and diagonally in multiple orientations to detect solution spillage, dryness and horizontal level. Can be used as a reminder and alarm function.
- The sensor has a DIP switch. The DIP switch controls the output voltage (high level) of the signal terminal (green line). When the DIP switch is dialed to 5V, the high level is 5V. When the DIP switch is dialed At 3V, the high level is 3.3V.
- Compatible with Arduino motherboard and Raspberry Pi motherboard. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CQRobot |
| Part Number | CQRSENYW002 |
| Item Weight | 1.76 ounces |
| Product Dimensions | 8.27 x 1.42 x 2.8 inches |
| Country of Origin | China |
| Item model number | CQRSENYW002 |
| Size | Contact |
| Style | Contact Liquid Level Sensor |
| Material | silicone, pc |
| Item Package Quantity | 1 |
| Special Features | Portable |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** CQRobot
- **Item dimensions L x W x H:** 8.27 x 1.42 x 2.8 inches
- **Material:** Polycarbonate, silicone
- **Item Weight:** 0.05 Kilograms
- **Style:** Single Point Contact Type

## Images

![Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc. - Image 1](https://m.media-amazon.com/images/I/6196nLvX7JL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: can this be mounted to the lid of a bucket and read the water levels inside as they go down? or is this basically a contact switch that detects liquid**
A: It's just a liquid contact switch.

**Q: Can I purchase just the board with the 3-wire connector somewhere?**
A: Sorry, buyers only sell kits.

**Q: Is there a Fritzing (or other schematic app) component that I can download for this product?**
A: Hello ,
For specific product descriptions, you can log in to our official link address to view, hope it will be helpful to you, if you have any questions, please contact me in time, thank you!
Wiki:
 http://www.cqrobot.wiki/index.php/Liquid_Level_Sensor

**Q: What is vin vs in for the breakout board? which pin varies when in contact with water? i assuming one connects to the 5v and other varies voltage?**
A: Hi! It is recommended that you refer to the technical information of this product (Wiki: http://www.cqrobot.wiki/index.php/Contact_Water/Liquid_Level_Sensor_SKU:_CQRSENYW002).
If you have any questions, please feel free to contact us!

## Frequently Bought Together

- CQRobot Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.
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- PH Sensor for Arduino, PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC, PH Sensor UNO, PH Sensor Arduino Kit, PH Sensor Raspberry Pi Kit, by HQ&LP

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-10*