Analog Water Level Sensor Module for Arduino & DIY | STEM Ready
Analog Water Level Sensor Module for Arduino & DIY | STEM Ready
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Short Product Description
Short Product Description
Prevent costly water damage or build your next interactive smart home project with this highly sensitive Analog Water Level Sensor. Designed for seamless integration with Arduino, Raspberry Pi, and other microcontrollers, this module uses exposed parallel traces to accurately measure water droplet volume. Simple to wire, incredibly cost-effective, and perfect for STEM education or DIY leak detection systems.
Key Features
Key Features
- High-Sensitivity Detection: Exposed parallel copper traces instantly detect water presence and depth, ensuring rapid response times for leak alerts.
- Simple Analog Output: Outputs an easy-to-read analog signal proportional to the water level, simplifying the coding process for beginners and pros alike.
- Universal Compatibility: Standard 3-pin setup (S, +, -) works seamlessly with Arduino, Raspberry Pi, ESP32, and other 3.3V-5V microcontrollers.
- Compact & Lightweight Footprint: Measuring just 6.6cm x 2.1cm, it easily fits into tight enclosures, custom 3D-printed cases, or discrete locations.
- Low Power Consumption: Operates efficiently on minimal current, making it ideal for battery-powered, long-term IoT and remote monitoring projects.
Full Product Description
Full Product Description
Detect Leaks Before They Become Disasters
Water damage is one of the most common and costly issues for homeowners and facility managers. Whether it’s a leaking washing machine, an overflowing sump pump, or a sudden rainstorm hitting an open window, early detection is critical. This Analog Water Level Sensor Module offers a simple, reliable, and highly responsive way to monitor water presence and depth. By integrating this sensor into your smart home system, you can trigger immediate alerts or automatic shut-off valves the moment water is detected.
How This Sensor Solves Your Prototyping Problems
Working on a DIY electronics project shouldn't require complex wiring or convoluted code. This sensor operates on a straightforward principle: it uses a series of exposed parallel copper traces to measure the volume of water droplets. As water bridges the traces, it changes the electrical conductivity, outputting an analog signal directly proportional to the water level. This makes it incredibly easy to read the data using standard analog pins on your microcontroller.
Engineered for STEM, DIY, and Professional Prototyping
Whether you are a student taking your first steps into coding, a teacher equipping a STEM lab, or an engineer building a proof-of-concept for an agricultural irrigation system, this module delivers consistent results. Trusted by tech enthusiasts and hardware professionals alike, it provides the reliability needed for long-term monitoring without breaking the project budget.
Seamless Microcontroller Compatibility
Forget about proprietary connectors. This sensor features a standard 3-pin interface (Signal, Power, Ground), making it universally compatible with widely used development boards. From basic Arduino Uno setups to advanced Raspberry Pi IoT hubs, you can get your project up and running in minutes.
Build Limitless Applications
The versatility of this small footprint (6.6cm x 2.1cm) sensor means it can be deployed almost anywhere. Use it to automate your garden watering system, create a smart fish tank monitor, or build a custom weather station that reacts to rainfall intensity.
Technical Specifications
Technical Specifications
- Product Type: Analog Water Level / Droplet Sensor
- Operating Voltage: DC 3.3V - 5V
- Operating Current: < 20mA
- Sensor Type: Analog Output
- Detection Area: ~ 40mm x 16mm
- Dimensions: 6.6cm (L) x 2.1cm (W)
- Operating Temperature: 10°C to 30°C
- Humidity Range: 10% to 90% non-condensing
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
Q: How do I connect this sensor to an Arduino?
A: Wiring is very straightforward. Connect the + pin to the 5V (or 3.3V) pin on your Arduino, the - pin to GND (Ground), and the S (Signal) pin to any Analog input pin (like A0). You can then use the analogRead() function in your code to monitor the water level.
Q: Is the entire sensor module waterproof?
A: No. Only the section with the exposed parallel red/silver traces is designed to be submerged in water. The top section housing the surface-mount components and the 3-pin header must be kept dry to prevent short circuits and corrosion.
Q: Can I use this for measuring exact water volume in liters?
A: This sensor provides an analog reading based on the water's height across the parallel traces. While it is excellent for detecting changes in water depth or the presence of a leak, it requires custom calibration in your code to map those readings to specific liquid volumes.
Target Users / Applications
Target Users / Applications
- Target Users: STEM educators, students, DIY smart home hobbyists, electronic engineers, and agricultural tech developers.
- Applications: Basement leak alarms, automated plant watering systems, rain detectors, aquarium water level management, and liquid spillage monitors.
