Adafruit DHT22 385 Benutzerhandbuch
Produktcode
385
Aosong(Guangzhou) Electronics Co.,Ltd
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Tell: +86-020-36380552, +86-020-36042809
Fax: +86-020-36380562
http://www.aosong.com
Email:
Email:
Address: No.56, Renhe Road, Renhe Town, Baiyun District, Guangzhou, China
- 6 -
70us voltage-length means 1bit data "1"
Start transmit 1bit data
Start transmit next bit data
Host signal
Sensor's signal
Single-bus signal
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If signal from AM2303 is always high-voltage-level, it means AM2303 is not working properly, please check
the electrical connection status.
6.
6.
6.
6. Electrical
Electrical
Electrical
Electrical Characteristics:
Characteristics:
Characteristics:
Characteristics:
*Collecting period should be : >1.7 second.
7.
Attentions
Attentions
Attentions
Attentions of
of
of
of application:
application:
application:
application:
(1) Operating and storage conditions
We don't recommend the applying RH-range beyond the range stated in this specification. The DHT11 sensor
Item
Condition
Min
Typical
Max
Unit
Power supply
DC
3.3
5
5.5
V
Current supply
Measuring
1.3
1.5
2.1
mA
Average
0.5
0.8
1.1
mA
Collecting
period
period
Second
1.7
2
Second