07-04-2015, 14:47
First check your DHT22 connection.
![[Image: DHT22_PinOut.png]](http://www.meteocercal.info/forum/images/01forum_img/DHT22_PinOut.png)
Then you could try a test sketch. On The RX board the DHT22 data pin is connected to Arduino pin 9.
![[Image: DHT22_PinOut.png]](http://www.meteocercal.info/forum/images/01forum_img/DHT22_PinOut.png)
Then you could try a test sketch. On The RX board the DHT22 data pin is connected to Arduino pin 9.

