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DHT11 – Humidity and Temperature Sensor for Arduino and Raspberry Pi B/B+/Raspberry Pi 2.
The four-pin device uses a 1-wire protocol. It’s a snap to connect to your project, requiring VCC, GND, and a pull-up resistor on the single data line. We’ve already seen it used on at least one project, and hope to see more of this little guy in your own hacks.
Specification:
Dimension 28mm*12mm*10mm
Main chip DHT11 humidity sensor
Voltage: DC 5V
Digital output
Humidity Range: 20—90%RH
Humidity accuracy: ±5%RH
Temperature range: 0—60℃
Temperature accuracy: ±2℃
Temperature and humidity measurements are a nice addition to many hobby projects.
Datasheet:
akizukidenshi.com/download/ds/aosong/DHT11.pdf
DHT11 Humidity and Temperature Sensor
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