DHT22 help example and groove port


Does anybody has a scketch to watch in the serial a reading about temp and humidity? I have a one + groove, and I can’t reach a sensor reading.

in wich port did you put the sensor?

many many thank’s


You can use any I/O pin

0/1 is always on

with 2/3 6/7 and 8/9 you need to turn on the power of the grove sockets.
You can turn on the power of the grove headers by setting pin D11 high.


Many thank’s , I did your advice and now is working on pin0