This is a companion app to view the results.
To setup the raspberry pi to send the sensors, I have these scripts: https://gist.github.com/valllllll2000/6feaf746a0e5664394362c295da7b0e8
The latest code and the instructions for the raspberry pi can be found here: https://github.com/valllllll2000/rpi-dht22-temperature-humidity-sensor