In an easier setup, there is the open-source Ruuvi device (https://ruuvi.com https://ruuvi.com) that works well: it captures temperature, humidity, pressure and

In an easier setup, there is the open-source Ruuvi device (https://ruuvi.com https://ruuvi.com) that works well: it captures temperature, humidity, pressure and delivers the data through bluetooth in an open/documented format, so you can do whatever you like with it after. I use a few of them with a NUC server and some custom nodejs scripts.