Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 3.3V to 5V |
| Output Type | Digital Switch Output (DO) |
| Compatible Containers | Plastic, Glass, Ceramic (Non-metallic) |
| Response Time | Less than 0.5 Seconds |
| Board Material | FR-4 PCB with Conformal Coating |
| Operating Temperature | -20°C to 70°C |
| Cable Length | 20cm Shielded Wire |
| Connector Type | 3-Pin PH2.0 Interface |
| LED Indicators | Power (Red) and Signal (Green) |
| Module Weight | 15 Grams |
Anonymous
Mar 21, 2026
Rating: 4/5
Sensitive Adjustment Needed
Good sensor but you need to tweak the potentiometer to get the right sensitivity. Once calibrated, it is very stable.
Anonymous
Mar 11, 2026
Rating: 3/5
Not for Metal Tanks
Failed on my steel tank. Just a heads up for others, this only works with non-metallic containers like plastic or glass.
Anonymous
Feb 18, 2026
Rating: 5/5
Fast Shipping
Product arrived well packed and works with my Arduino setup out of the box. The LED indicators make debugging easy.
Anonymous
Feb 14, 2026
Rating: 5/5
Great for DIY Projects
Works exactly as described. I used it for a rainwater harvesting system and it detects the level through the plastic tank wall perfectly.
Anonymous
Jan 31, 2026
Rating: 5/5
No Corrosion
Love the non-contact feature. Since the electronics never touch the liquid, there is no risk of corrosion or electrolysis.
Q: Can this detect liquid inside a stainless steel tank?
A: No, this sensor works through non-metallic materials like plastic or glass. Metal interferes with the capacitive sensing.
Q: What microcontroller is this compatible with?
A: It works with any MCU that supports digital input, such as Arduino, ESP32, Raspberry Pi, or STM32.
Q: Can it detect oils or just water?
A: It can detect most liquids with a dielectric constant different from air, including oils, but sensitivity may vary.
Q: How do I adjust the detection range?
A: There is a small potentiometer on the board. Turn it clockwise to increase sensitivity and counter-clockwise to decrease it.
Q: Is the module itself waterproof?
A: The sensing area is coated, but the electronics are not fully submersible. Only the sensor pad should be near the liquid.
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