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Humidity and Temperature Sensor - AM2302 (DHT22)

by OEM
DHT22 utilizes exclusive digital signal collecting technique and humidity sensing technology and can ouptut calibrated digital signal. Small size & low...
19-00010167
Gross Weight: 0.01kg
Company: OEM
Made in: China
Πληροφορίες: Το προϊόν είναι εξάρτημα και δεν αποτελεί έτοιμη συσκευή.
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DESCRIPTION

DHT22 utilizes exclusive digital signal collecting technique and humidity sensing technology and can ouptut calibrated digital signal. Small size & low consumption & long transmission distance (20 meters) enable AM2302 to be suited in all kinds of harsh applications.

Power voltage shoud be between 3.3V and 6V DC. When power is supplied to sensor don’t send any instruction to it withing one second to pass unstable status. One 100nF capacitor can be added between VDD and GND for wave filtering.

SPECIFICATIONS

Breadboard Friendly :
Yes
Sensor Type:
  • Humidity
  • Temperature
Typical Input Voltage:
  • 3.3VDC
  • 5VDC
Oparating Current:
1.5mA
Interface:
  • Digital
Communication Protocol:
  • Without

SPECIFICATIONS

  • Power supply: 3.3-6V DC
  • Measuring current: 1-1.5mA
  • Standby current: 40-50uA
  • Output signal: Single-bus
  • Sensing element: Polymer humidity capacitor & DS18B20
  • Sensing period: ~2s
  • Measuring range:
    • Humidity: 0-100% RH
    • Temperature: -40-125°C
  • Accuracy:
    • Humidity: ±2%
    • Temperature: ±0.5°C