In-garage delivery and alarms
So I've recently set up my alarm system to work with my home automation and with my security company. It works really well, and I'm delighted by the results.
Here's one problem, though. I like in-garage deliveries from Amazon, and I'd like to automatically disarm the garage partition when the delivery driver operates the garage door opener. And then re-arm the partition once the delivery driver leaves (of course, if the main partition is still armed).
Planning
First, I looked at doing everything using software only. I have an Envisalink card connected to my DSC alarm, so writing a HomeAssistant automation is fairly straightforward. I just