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DHT22 Digital Temperature and Humidity Sensor 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). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you c...
Useful for science exhibitions, college labs, automation demos, and robotics presentations.
Designed to reduce sourcing complexity and make project selection clearer.
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