One of the biggest problems with home automation is trying to interface with old or analog devices. Do you upgrade the device just so you can automate it? Or do you find a workaround like [Seb] did… ...

[Ken Olsen] needed a bunch of analog inputs for his model railroad project. He wanted to use the Raspberry Pi board, but alas there are no analog inputs available on the GPIO header.

Alex explains a little more about the inspiration behind the RasPiO Analog Zero and its features and functionality. Read analog sensors with GPIO Zero. Make a weather station/ voltmeter/ digital ...