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It can be controlled by Arduino digital Pin13 to switch on/off
you can develop a variety of speech recognition applications
to meet the power requirements of various application scenarios
support Linux/Android
HumidityResolution : 0
Gravity: Lab Grade Analog pH Sensor Kit for Arduino IO Expansion It can be controlled byNeed to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? DFRobot analog pH meter, specially designed for Arduino controllers and has a convenient and practical "Gravity" connector and a bunch of features. Instant connection to your probe your Arduino to get pH measurements at 0. 1pH (25 ). For most hobbyists, this great accuracy range and its low cost make this a great tool for
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