Wifi Temperature and Humidity monitoring

It check the enveironment and count the temperature and humidity.

it show the result on display. It also store and save the result into database for future use as history and record.

you can see all the result of two or three month from the database.
for example click the link

http://amtranet.group/dht22.php

Temperature range : -20 to 120 degree celcius

Temperature Resolution : 0.25 degree

Accuracy :  +/- 0.5 degree

Humidity range : 0 to 99 % RHS

Humidity resolution : 0.1

Accuracy : +/- 2%

Checking interval : 10 minutes

battery backup : 7 days

Storage Limit : free for 1 month

communication : wifi