Changes between Version 4 and Version 5 of HumiditySensor


Ignore:
Timestamp:
2013-09-22 17:11:56 (11 years ago)
Author:
hek
Comment:

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  • HumiditySensor

    v4 v5  
    1111 
    1212== Wire things up == 
     13[[Image(dht22.png, align=right)]] 
    1314 
    1415Follow the instructions in ConnectingRadioModule to connect radio module. 
    1516 
    1617To connect the DHT22 sensor to the Arduino board follow these instructions:\\ 
    17 Connect VCC of the DHT22 sensor to \\ 
    18 Connect GND to Ground\\ 
     18Pin1. Connect VCC of the DHT22 sensor to +5V\\ 
     19Pin2. Connect Data to digital pin 3 of the Arduino board\\ 
     20Pin3. Not used. 
     21Pin4. Connect to Ground\\ 
     22\\ 
     23Use also need a pull up resistor between +5V and Data. See picture below.\\ 
    1924 
    2025== Hardware - Purchase guide ==