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Grove - Water Sensor
- Brands Seeedstudio Code: GRV-WATER
Grove - Water Sensor detects the presence of water using exposed PCB traces. The sensor is made up of interlaced traces of Ground and Sensor signals. The sensor traces have a weak pull-up resistor of 1 MΩ. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the ground trace.
For all Grove users (especially beginners), we provide you with guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before you use the product.
Believe it or not, this circuit will work with the digital I/O pins of your Arduino or you can use it with the analog pins to detect the amount of water-induced contact between the grounded and sensor traces. Suitable to detect rainfall, tank overflow, and water leakage.
You can get grove HAT for Raspberry Pi here or if you want to use this module with an Arduino board, you can get grove shield for Arduino here.