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DHT11 Temperature and Humidity Sensor
Low-cost temperature and humidity sensor. Requires a single digital I/O pin to read b..
DHT22 Temperature and Humidity Sensor
High-accuracy, low-cost temperature and humidity sensor. Similar to DHT11 but with improve..
Sound Sensor (microphone) Module
Comes as assembled board with one microphone and a 3-pin cable.  Operating Voltage is from 3.3-..
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