DHT11 / DHT22 Temperature and Humidity Sensor Module – Digital Sensor for Arduino and Microcontrollers
DHT11 / DHT22 Temperature and Humidity Sensor Module – Digital Sensor for Arduino and Microcontrollers
The DHT11 and DHT22 Temperature and Humidity Sensor Modules are highly popular digital sensors designed to measure ambient temperature and relative humidity with ease and accuracy. These modules are ideal for hobbyists, educators, and developers working with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms.
Both sensors offer digital signal output for simple and reliable data acquisition, with built-in analog-to-digital conversion and single-wire communication, making them efficient and easy to use in weather monitoring stations, smart home automation, HVAC systems, and IoT applications.
🔍 Sensor Variants:
DHT11 – Basic, cost-effective sensor with decent accuracy and limited range
DHT22 (also known as AM2302) – Higher accuracy and wider range, suitable for more demanding applications
📊 Key Specifications:
DHT11:
Temperature Range: 0°C to 50°C (±2°C accuracy)
Humidity Range: 20% to 90% RH (±5% accuracy)
Sampling Rate: Once every 1 second
Operating Voltage: 3.3V – 5V
DHT22:
Temperature Range: -40°C to 80°C (±0.5°C accuracy)
Humidity Range: 0% to 100% RH (±2% accuracy)
Sampling Rate: Once every 2 seconds
Operating Voltage: 3.3V – 6V
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How to Request a PCB Layout/Design:
- Send your complete schematic or diagram via our Facebook page.
- We will assess your diagram and provide a quotation based on the complexity and requirements.
PCB Layout & Design Rules:
- All diagrams must be clear and properly labeled.
- Specify the desired board size, number of layers, and component types if applicable.
- Rush requests may incur additional charges.
- We do not accept hand-drawn or incomplete schematics.
- Files will be delivered in Gerber and/or PDF format as requested.
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