DHT22 DHT11 DIGITAL TEMPERATURE HUMIDITY SENSOR MODULE DHT 11 DHT 22

This DHT11 Temperature and Humidity Sensor features a calibrated digital signal output with the temperature and humidity sensor capability. It is integrated with a high-performance 8-bit microcontroller. Its technology ensures the high reliability and excellent long-term stability. This sensor includes a resistive element and a sensor for wet NTC temperature measuring devices. It has excellent quality, fast response, anti-interference ability and high performance. Each DHT11 sensors features extremely accurate calibration of humidity calibration chamber. The calibration coefficients stored in the OTP program memory, internal sensors detect signals in the process, and we should call these calibration coefficients. The single-wire serial interface system is integrated to become quick and easy. Small size, low power, signal transmission distance up to 20 meters, enabling a variety of applications and even the most demanding ones. The product is 4-pin single row pin package. Convenient connection, special packages can be provided according to users need. Specification • Supply Voltage: +5 V • Temperature range :0-50 °C error of ± 2 °C • Humidity :20-90% RH ± 5% RH error • Interface: Digital CONNECTION: DHT11 -> UNO GND -> GND Vcc -> Vcc Signal -> Pin 2 DHT22 Digital Temperature Humidity Sensor DHT22 is a compound digital temperature and humidity sensor which outputs calibrated digital signals. Thanks to the dedicated digital module acquisition technology and temperature and humidity sensing technology applied to the module, DHT22 comes with very high reliability and excellent long-term stability. DHT22 includes a capacitive moisture sensor and a NTC temperature measuring element which is connected to a high-performance 8-bit microcontroller, resulting an excellent quality, super fast response time, strong anti-interference ability and extremely cost-efficient. Compared with SHT10 temperature and humiditiy sensor, DHT22 enjoys a higher precision and lower price, making it an ideal choice for mid price range, high performance temperature & humidity sensors. If used together with Arduino expansion boards, you’ll easily get interactives of correlation between temperature and humidity perception. SPECIFICATION Supply Voltage: 5V Temperature Range:-40-80℃ / resolution0.1℃ / error <±0.5℃ Humidity Range: 0-100%RH / resolution0.1%RH / error±2%RH Temperature Response Time: condition: 1/e(63%) Min 6s Max 20s Humidity Response Rime: condition: 1/e(63%)25℃, 1m/s in the air <5S Interface Sequence: VCC,GND,S