DHT11 Digital Humidity Temperature Sensor for Arduino Raspberry Pi 2 3 DIY (Set of 2)
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Last refresh Mar/08/2019 01:27 AM
This sensor module utilizes DHT11 as the sensitive component and has a bypass capacitor and a pull-up resistor on-board
The DHT11 is a pre-calibrated digital output temperature and humidity sensor.
The single-wire wiring scheme makes it easy to be integrated to other applications.
The simple communication protocol greatly reduces the programming effort required.
These are bare temperature and humidity sensors. They are pinned Vcc, Data, NC (no connection), Gnd. They give readings roughly once per minute and are fairly accurate as they are factory calibrated.
Output range: 20-90% humidity, 32-122 degrees F. It is inaccurate at either end of the spectrum, works pretty well in the middle of its range.
Stable and long-term accuracy
3-pin interlock connector
Low power consumption and compact size
Long transmission distance, up to 100 meters
Widely used in the heating ventilation air conditioning, humidity adjuster, etc
Operating Voltage: DC 3.3V-5.5V
Humidity Measurement Range: 20%-95%RH
Humidity Measurement Accuracy: +/-5%RH
Temperature Measurement Range: 0 ~ 50 C
Temperature Measurement Accuracy: +/-2
Response Time: Less than 5s
PIN1-VDD: Power on 3.3V ~ 5.5V DC
PIN2-DATA: Signal output
PIN4-GND: External connection GND
Testing and inspection equipment
2 x DHT11 sensor
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