DESCRIPTION
The DHT22 (AM2302) is a reliable digital temperature and humidity sensor designed for accurate environmental monitoring. It uses a capacitive humidity sensor and a thermistor to provide precise measurements, outputting calibrated digital signals through a single data pin.
Compared to the DHT11, the DHT22 offers higher accuracy, wider measurement range, and better resolution, making it suitable for industrial, commercial, and advanced hobby applications.
The module version comes with onboard pull-up resistor and standard 3-pin interface, allowing easy connection with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers.
Package Includes
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1 × DHT22 Temperature & Humidity Sensor Module
Key Features
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High accuracy temperature & humidity measurement
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Digital output – no analog calibration required
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Wide operating voltage (3.3V – 5.5V)
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Long-term stable and factory calibrated
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Low power consumption
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Single-wire communication protocol
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Ready-to-use module with PCB mounting
Applications
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Weather stations
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Smart agriculture & greenhouse monitoring
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Home automation systems
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Industrial environment monitoring
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HVAC control systems
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Robotics & IoT projects
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Laboratory instrumentation
3D Printers
MAKERBOT
Relay
3D Printer Parts
Nozzle
Filament
ToboFill
eSun
Ducho Filla
Linear Guide Rail
Timing Belt, Pulley and wheel
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Teflon Tube
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Audio Module
Micro-Controller
Arduino
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Nut
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Communication
Data Transfer
Wire
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LED bulb
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