Do we need another tag for questions related to hardware (such as Arduinos, serial communications, IoT devices etc.)? I think we do and created one as kind of test ballon a while ago. I named it connected-devices, added a short tag description and waited for review. Since the review went through I guess at least some users share my view and thus like to propose the tag here on meta. It could for instance be made a synonym of the hardware-tag. With WRI pushing their connected devices framework more users might start looking for that name here as well.
Questions where this tag might be appropriate are for example:
