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[101020635]Grove - Water Level Sensor (10cm) for Arduino

Grove - Water Level Sensor (10cm) for Arduino
  • [101020635]Grove - Water Level Sensor (10cm) for Arduino

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    [101020635]Grove - Water Level Sensor (10cm) for Arduino

    Mom: Hey son, our tank is overflowing again!!!
    Son: Ohh…. not again…. (Now it’s time to use what I learnt at my electronics class). Don’t worry Mom, I will use a Grove  Water Level Sensor and fix the problem!

    Grove - Water Level Sensor (10cm) for Arduino

     

    We have dedicated our time to help you get started with this sensor quickly and easily. Try the example code and experience the demo above with clear codes.

    Features

    • Easy to use (Use Grove Connector without soldering)
    • Based on capacitive sensing
    • Waterproof
    • Conformal Coating
    • Corrosion Resistant
    • Detect up to 10cm water levels
    • I2C Interface

    Description

    What better way to describe a product without having a story behind it?

    Well…A few months ago, we thought of developing a water level sensor, but we wanted it to be different, unlike traditional water level sensing techniques such as using Ultrasonic Sensing and Resistance Based Sensing.

    We have tested out different water level sensing methods such as using Non-contact capacitance-based sensing where we placed the sensor outside the container filled with liquid and also use a Carbon Stick to detect the water level.

    But we figured that the results we got were not up to our expectations and after long period of use, the Carbon started to chemically react with water which made this technique not ideal.

    So, we finally came up with a solution by using Capacitance Sensing technique. 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

    Specifications

    • 2 x 8-bit ATTINY1616 MCUs
    • Compatible with 3.3/ 5V power supply
    • Measurement Accuracy: ±5mm
    • Uses two I2C addresses at the same time: 0x78 and 0x77
    • Working Temperature Range: -40°C to 105°C
    • Weight: G.W 9.8g
    • Dimensions: 20mmx 133mm
    Grove - Water Level Sensor (10cm) for Arduino

    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.

    Grove - Water Level Sensor (10cm) for Arduino

    Attention

    When testing, the highest liquid level inserted should not exceed the white dividing line, otherwise it will cause a short circuit.

    Grove - Water Level Sensor (10cm) for Arduino

    Applications

    • Tank overflow detection
    • Liquid level sensing applications

    Hardware Overview

    Grove - Water Level Sensor (10cm) for Arduino

    Grove - Water Level Sensor (10cm) for Arduino

    Part List

    • Grove Water Level Sensor x 1
    • 20cm Grove Cable x 1
    HSCODE 9026100000
    USHSCODE 9026104000
    UPC
    EUHSCODE 9013101000
    COO CHINA
    EU DoC 1
    RoHS 1
    UK DoC 1

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[101020635]Grove - Water Level Sensor (10cm) for Arduino

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