DHT22 error on reading Humidity!

Hi everyone!

Sorry for my bad english here..

I want to ask to you guys, i have a project that use a DHT22 sensor to measure temperature and humidity in a box.. inside the box heat by water heater... when the sensor measure, the measure of temp is fine , but the measure of humm always in 100%..

When i changed the sensor with dht11, the measure of temp and humm is good....

Any ideas guys to solved my problem? Thanks before guys and so sorry for my bad english...

Hi, Welcome to the forum.

Please read the first post in any forum entitled how to use this forum. http://forum.arduino.cc/index.php/topic,148850.0.html then look down to item #7 about how to post your code. It will be formatted in a scrolling window that makes it easier to read.

Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?

Thanks.. Tom.. :)

Nicromancer: inside the box heat by water heater... when the sensor measure, the measure of temp is fine , but the measure of humm always in 100%..

Please describe the 'water heater' in more detail. Is there water in the box? Could that be causing high humidity in the box?

Did you change the DHT device selection in the library header file?