Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 5V DC |
| Output Signal | Digital (High/Low) |
| Detection Principle | Float Switch Mechanism |
| Max Current Load | 500mA |
| Cable Length | 1.5 Meters |
| Material | ABS Plastic & Stainless Steel |
| Working Temperature | -10°C to 85°C |
| Interface Type | 3-Pin Connector |
| Mounting Style | Side or Top Mount Compatible |
| Application | Water Tanks, Sump Pumps, Aquariums |
Anonymous
Mar 28, 2026
Rating: 5/5
Works well in outdoor conditions
Installed this in a rain barrel collection system. It has survived rain and varying temperatures without any issues. The plastic housing seems durable against UV exposure so far.
Anonymous
Mar 22, 2026
Rating: 4/5
Good for learning electronics
Bought this for a university project on IoT monitoring. Documentation was clear enough to get it running quickly. The switching point is consistent, which is crucial for our data logging.
Anonymous
Mar 16, 2026
Rating: 5/5
Great value for money
I bought three of these for different tanks around the house. They all function perfectly. The float mechanism moves smoothly without sticking, which was a problem with a cheaper brand I tried before.
Anonymous
Mar 05, 2026
Rating: 5/5
Essential for aquarium safety
Using this as a fail-safe for my auto-top-off system. It triggers the alarm immediately when the water drops too low. Very reliable and gives me peace of mind when I'm away from home.
Anonymous
Mar 05, 2026
Rating: 5/5
Perfect for my Arduino project
This sensor worked exactly as described. I used it to monitor the water level in my hydroponic setup, and the digital output made it very easy to interface with my microcontroller. The build quality feels solid.
Anonymous
Mar 03, 2026
Rating: 4/5
Reliable but cable could be longer
The detection is accurate and responsive. My only minor complaint is that the 1.5m cable was just short of reaching my controller box, so I had to extend it. Otherwise, a great product for the price.
Q: Is this sensor compatible with Raspberry Pi GPIO pins?
A: Yes, since it outputs a standard digital high/low signal at 5V, it can be connected to Raspberry Pi GPIO pins. However, we recommend using a logic level converter if your specific Pi model requires 3.3V input to ensure safety.
Q: What is the maximum depth this sensor can be submerged?
A: The float switch itself is waterproof and can be fully submerged. However, the connection point where the cable enters the housing should not be subjected to high water pressure. It is ideal for open tanks or containers.
Q: Does the package include mounting screws?
A: The package includes the sensor module and cable, but mounting hardware such as screws or brackets is not included. The unit features standard holes that accept common M3 screws.
Q: How do I clean the sensor if algae builds up on the float?
A: You can gently wipe the float and the rod with a soft cloth and mild soapy water. Avoid using abrasive scrubbers that could scratch the surface, as this might cause the float to stick over time.
Q: Can this be used with corrosive chemicals like bleach?
A: No, this module is designed specifically for water and non-corrosive liquids. Exposure to harsh chemicals like bleach may damage the plastic housing and the internal switch mechanism.
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