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and we provide more than twenty types with different functions including buttons
Integrated RISC processor
you can always just use this for RFID-tag projects
Measurement rate: 0
DHT22 Temperature and Humidity Module 1.8 inches and we provide more thanThe DHT22 is a basic, low cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). It's fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so sensor readings can be up to 2 seconds old. Simply
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