Here’s an impressive weather station project you can make that will show you bunch of great current weather conditions. I do highly like the graph part, it can be developed even further to allow internet remote monitoring and more.
Now this was a huge project! All sensors had to be fully tested one at a time, wireless communication had to be perfect, various LCDs were tried. Nevertheless, here’s the result: hope you enjoy it!
The circuit may be powered by a small 9V b