In stock, ships same business day if ordered before 2PM
Delivered by Tue, 3rd of Sep
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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!
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
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
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
Hardware Overview
Part List
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Products that weigh more than 0.5 KG may cost more than what's shown (for example, test equipment, machines, >500mL liquids, etc).
We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.
International Orders - the following rates are for New Zealand and will vary for other countries:
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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