I don’t think any of the official smartthings contact sensors have the headers needed to connect a pressure sensor to it, but this is a write up i did a while back for a “smart chair” that goes into plenty of detail.
I don’t think any of the official smartthings contact sensors have the headers needed to connect a pressure sensor to it, but this is a write up i did a while back for a “smart chair” that goes into plenty of detail.