This one may be of interest to Gadget Masters, about how to interact with Arduino using Node-RED Control. It's an article covering the possibility of automating Arduino use via Node-RED's block ...

When you want to connect an IoT device to anything (or, for that matter, anything to anything), you should take a serious look at Node-RED, a free, open source visual process wiring system from IBM ...

On paper, pet doors are pretty great. You don’t have to keep letting the cat in and out, and there should be fewer scratches on the door overall. Unfortunately, your average pet door is indiscriminate ...