10pcs AM2302 DHT22 Temperature and Humidity Sensor Modules for Microcontroller Projects Overview A pack of 10 calibrated digital temperature and humidity sensor modules based on the AM2302 DHT22 sensor. Designed for reliable environmental sensing in microcontroller and single board computer projects, these modules offer straightforward wiring, stable output, and broad compatibility. Key benefits Ready to deploy: Pack of 10 identical sensor modules lets you build multiple sensing points, units quickly, or deploy in distributed monitoring setups. Simple integration: Digital singlewire interface and standard header spacing make wiring to breadboards and development boards fast and reliable. Reliable readings: Factorycalibrated sensor element provides repeatable temperature and relative humidity measurements suitable for monitoring and control tasks. Wide operating range: Capable of measuring a broad span of temperatures and humidity levels for indoor and light outdoor applications. Cost effective for projects: Multiple modules in one pack reduce the effort of sourcing identical sensors for prototypes, classrooms, or multizone systems. What it does Measures temperature and relative humidity and outputs calibrated digital data through a single digital data line. Works with common microcontrollers and single board computers for realtime monitoring, data logging, or control loops. Key specifications Model: AM2302 DHT22 Pack quantity: 10 modules Sensor type: Digital temperature and humidity sensor Interface: Singlewire digital data output suitable for microcontrollers Supply voltage: 3.3 to 5.0 V Temperature range: approximately 40 to 80 degrees C Temperature accuracy: approximately 0.5 degrees C Humidity range: 0 to 100 percent RH Humidity accuracy: approximately 2 to 5 percent RH Resolution: 0.1 units for temperature and humidity Sampling interval: typical update rate around once every 2 seconds Physical: compact sensor housing and PCB with standard pin header spacing for breadboard and jumper wire connection Material: plastic sensor enclosure and printed circuit board Compatibility Compatible with hobbyist and prototyping platforms including Arduino, Raspberry Pi, ESP8266, ESP32 and other microcontrollers that support a singlewire digital sensor interface. Works with common DHT22 or AM2302 software libraries for easy setup and sample code. Performance and reliability Factorycalibrated sensor element reduces the need for individual calibration in most projects. Stable digital output simplifies signal processing and reduces analog noise concerns. Standard connector and pin spacing make unit replacement and wiring consistent across installations. Use scenarios Home automation: Place sensors in multiple rooms to monitor temperature and humidity for automated ventilation, humidification, or climate control systems. Greenhouse or plant monitoring: Track humidity and temperature across zones to maintain growing conditions and trigger irrigation or ventilation when setpoints are exceeded. Environmental monitoring and data logging: Deploy in classrooms, labs, or small weather stations to collect timestamped environmental data for analysis or alerts. Package contents 10 x AM2302 DHT22 temperature and humidity sensor modules Notes for installation Ensure correct wiring of power, ground, and data line and include a pullup resistor on the data line when required by your wiring configuration and software library. Observe recommended sampling interval to avoid sensor read errors; typical update interval is about 2 seconds. Use compatible software libraries for quick setup and reliable communication. This pack provides multiple, consistent AM2302 DHT22 sensor modules suitable for prototyping, multizone monitoring, and educational projects where reliable temperature and humidity data are required.