After Petnet pretty much went belly up I needed a new smart feeder for my cats. I decided to go with the Petsafe. It's already been much more reliable and just works a lot better. Of course that meant I needed an integration for HE, so I built one (leveraging some samples from Dusty Greif who built an integration for HomeBridge). It will let you do an instant feed and also has notifications built in for feeding, errors, and low/empty food. It also tracks the battery if you have the battery backup installed.
You can find it on Github at GitHub - dcmeglio/hubitat-petsafe
It will be available in HPM shortly. Hope someone finds it useful!