DHT11 Temperature Humidity Sensor Module for Arduino Raspberry Pi

Product Description DHT11 Specification: - Power supply voltage: 3.3~5.5V DC - Output: the single bus digital signal - Measuring range: 20-90%RH humidity, temperature 0~50° - Humidity measurement accuracy: +-5%RH - Temperature measurement accuracy: +-2 ° - Resolution: 1%RH humidity, 1 ° temperature - Exchangeability: fully interchangeable - Long term stability: < ± 1%RH DHT11 : Interface Description: 1.VCC: External 3.3V-5V 2.GND: External GND 3.DO: Small board switch digital output interface, connect the microcontroller IO port

DHT22 : Specification: - Type: DHT22 temperature and humidity sensor - Operate Voltage: DC 3~5.5V - Signal Output Type: Digital - Temperature Range: -40 ℃ ~ 80 ℃ - Temperature Measurement Accuracy: ± 0.5 ℃ - Humidity Range: 0~100%RH - Humidity Measurement Accuracy: ± 2%RH DHT22: it is suitable for connection to all standard boards Compatible with Arduino, RN-Control, Compatible with Raspberry Pi and all other microcontrollers. Used for automatic control, weather stations, home appliances, humidity regulators, medical treatment, dehumidifiers, etc.

DHT11 digital temperature and humidity sensor is a digital signal output with a calibrated temperature and humidity combined sensor. It uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability. Sensor consists of a resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected. The single-wire wiring scheme makes it easy to be integrated to other applications. And the simple communication protocol greatly reduces the programming effort required. Humidity Measurement Range is 20%-95% with a measurement error of +-5%, while the Temperature Measurement Range is 0-50°C with a measurement error of +-2 degrees. Working voltage: DC 3.3V-5V. Output form: digital output.

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