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JESSINIE DHT22 AM2302 Digital Temperature and Humidity Sensor Module Sensor Replace SHT11 SHT15 for Arduino Electronic DIY
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JESSINIE DHT22 AM2302 Digital Temperature and Features
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The DHT22 Digital Temperature and Humidity Sensor is a composite temperature and humidity sensor with a calibrated digital signal output.DHT22 Digital Temperature and Humidity Sensor It applies specialized digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability.The sensor consists of a capacitive humidity element and a NTC temperature element, and is connected to a high-performance 8-bit microcontroller.
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【Product Parameters】 Size:28.2mm(L)*13.1mm(W)*5.5mm(H). Humidity measurement range:0%~99.9% (0℃-50℃ range). Humidity Measurement Error: ±2%. Temperature Measurement Range: -40℃～80. Temperature measurement error: ±0.5℃ MAX±1℃. Resolution: 16 bits. Sampling period:2s. Working voltage:3V--5.5V. With fixing screw holes for easy installation and fixing. Hole diameter 2.6mm, with matching Dupont cable length 20CM.
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【Applications】 HVAC, dehumidifiers, test and inspection equipment, consumer products, automotive, automation, data loggers, appliances, humidity regulators, medical, weather stations, and other related humidity detection and control. 【Product Highlights】 Ultra-low power consumption, long transmission distance, fully automated calibration, capacitive humidity sensitive element, fully interchangeable, standard digital single bus output,Excellent long-term stability.
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【Pin Assignment】 VDD Power (3.3V-5.5V). SDA Serial Data, Bidirectional Port. NC Null. GND Ground. 【Relative Humidity and Temperature Measurement】 Fully calibrated, digital output;Excellent long-term stability;No additional parts required; Ultra-long signal transmission distance;Ultra-low power consumption;Fully interchangeable;The single-wire serial interface makes system integration quick and easy. Ultra-small size, very low power consumption, and signal transmission distance up to 20 meters.
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【Product Overview】 The Humidity Capacitance Digital Temperature and Humidity Module is a temperature and humidity composite sensor with a calibrated digital signal output. It applies specialized It applies specialized digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability. The sensor The sensor consists of a capacitive humidity sensing element and a high precision temperature measuring element.
