DHT22 is a Temperature & Humidity Sensor features a temperature & humidity sensor complex with a calibrated digital signal output. By using the excluesive digital-signal-acquisition technique and temperature & humidity sensing technology, it ensures high reliability and excellent long-term stability.
This sensor includes a resistive-type humidity measurement component and an NTC temperature measurement component, and connects to a high-performance 8-bit microcontroller, offering excellent quality, fast response, anti-interference ability and cost-effectiveness.
Compare to DHT11, DHT22 is a little more accurate and good over a slightly larger range.
Operating voltage : +3.3 ~ +6V
Measurement for humidity : 0 ~ 100% RH 2-5% accuracy
Measurement for temperature : -40 ~ 80°C ±0.5°C
Communication : Single-wire serial bus
PIN #1 : VCC (3.3 ~ 6VDC)
PIN #2 : DATA
PIN #3 : NC (not connect)
PIN #4 : GND (Ground)
Last Updated @ 8/7/2016 6:20:11 PM
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GI Electronic use POSLAJU, SKYNET to delivery the Goods to customer within Malaysia, usually it takes about 1 ~ 3 days to arrive.
For international, we use EMS (Express Mail Services), it is the most economical way to delivery the Goods to all over 232 coutries worldwide, it takes about 10 ~ 20 days to arrive.
The fast express shipping services such as DHL, Fedex are also available. Further details please contact ours sales representatives.
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- The Customer must contact the Company to obtain an RMA (Returned Merchandise Authorization) number prior to returning product.
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