Grove - Water Level Sensor (10CM) for Arduino
The Grove Water Level Sensor is a very accurate sensor that can be helpful in water level sensing applications. It is completely waterproof and uses capacitive pads to detect water levels up to 10cm.
- 10+: $5.40
PRODUCT DETAILS
The Grove Water Level Sensor is a very accurate sensor that can be helpful in water level sensing applications. It is completely waterproof and uses capacitive pads to detect water levels up to 10cm.
Features
- High measurement accuracy: Since the sensor is based on capacitive sensing, The measurement accuracy is up to ±5 mm.
- Outstanding corrosion resistance: Inevitably, some liquids may be corrosive during use, and with the help of corrosion-resistant materials, the sensor can be used for a long time.
- Grove unified socket: The sensor ensures "Plug and Play" and could be versatile for various applications.
Description
The Grove Water Level Sensor is a very accurate sensor that can be helpful in water level sensing applications. It is completely waterproof and uses capacitive pads to detect water levels up to 10cm.
We used capacitive pads on the PCB of the module and did conformal coating over the PCB to make the sensor protect against moisture, dust, chemicals and high temperatures. We believe that this technique will allow you to make accurate water level measurements (±5mm accuracy) easily
Let’s look at the difference between few water level sensing methods.
| Ultrasonic Distance Sensor | Sensor based on Resistance | Grove - Water Level Sensor | |
| Principle | Ultrasonic Waves | Resistance | Capacitance |
| Communication Interface | Digital | Analog | I2C |
| Operating Voltage | 3.3/5V | 3.3/5V | 3.3/5V |
| Waterproof | No | Yes | Yes |
Note
The blue oil layer on the surface of the module’s capacitance sensing area should be kept intact. When the oil layer is damaged and the test object is a conductive liquid, the test data may be abnormal.
Attention
When testing, the highest liquid level inserted should not exceed the white dividing line, otherwise it will cause a short circuit.
Applications
- Tank overflow detection
- Liquid level sensing applications
Specifications
|
Dimensions |
20mm x 133mm |
|
Weight |
G.W 9.8g |
|
Battery |
Exclude |
|
Operating voltage |
3.3~5V |
|
Measurement Accuracy |
±5mm |
|
Working Temperature Range |
-40°C to 105°C |
|
I2C Addresses |
0x78 and 0x77 |
|
Interface |
I2C |
Hardware Overview
Part List
|
Grove - Water Level Sensor (10CM) for Arduino |
1 |
|
Grove Cable |
1 |
ECCN/HTS
| HSCODE | 9026100000 |
| USHSCODE | 9026104000 |
| UPC | |
| EUHSCODE | 9013101000 |
| COO | CHINA |
| EU DoC | 1 |
| RoHS | 1 |
| UK DoC | 1 |
LEARN AND DOCUMENTS
Documentations
SHARED BY USERS
REVIEWS
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GoodWorks pretty nicely, except after power off.
Can't take power off while in water - then reads 0.
Seems as a capacitance based sensor, when powering up needs to baseline the capacitance - guessing on my part - that is needs to be out of the water. Once read a baseline capacitance, then it detects increase in capacitance, water crossing. If the baseline capacitiance could be read, and then programmed, maybe it could survive a power off. API isn't clear on how this might happen, as its for an LCD.