The DHT22 is an humidity and temperature sensor with a single wire digital interface. The sensor is calibrated so you can get right to measuring relative humidity and temperature.
The Open Garden platform consist of three different kits, each ready for a specific kind of growing plant scenario: indoor (houses and greenhouses), outdoor (gardens and fields) and hydroponics (plants in water installations).
The platform allows to control the state of the plants by sensing several parameters.
If you are interested in Internet of Things (IoT) or M2M projects check our open source sensor platform Waspmote which counts with more than 100 sensors available to use 'off the shelf', a complete API with hundreds of ready to use codes and a low consumption mode of just 0.7µA to ensure years of battery life.
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