Quantity   Component name
1 × Minimalist Linux Server Beagle Bone Black, Raspberry PI, PogoPlug, etc. running Mosquitto and Apache
1 × Wireless LAN Wireless for Nodes, Ethernet for Server
2 × NodeMCU 1.0 One for the Garage, one for the Gate
1 × Web Browser (iPhone/Android/PC/Mac) Any browser will do