Quantity   Component name
1 × Raspberry Pi 2 for main logic, camera, microphone sensors
1 × 433MHz Transmitter for controlling the wireless outlets
3 × 433MHz Outlet for switching the small lights
1 × 5V Relay for switching the 12V ceiling lights
1 × 160° wide angle Raspberry Pi Camera ceiling mounted, for presence sensing and position tracking
1 × Conference Microphone ceiling mounted for getting HQ audio for voice control
1 × Light Sensor TSL2561 no light control needed if the sun bursts through the windows
1 × PIR Sensor for initial presence detection
1 × Ubuntu vServer MQTT broker (mosquitto)