A water leak detector with machine learning Invented in Dyson lab Dyson library, Imperial College Rd, South Kensington, London SW7 9EG / Device, 2021 l 9,000 x w 3,200 x h 4,000 mm (l 9.8 x w 3.5 x h 4.4 yd) House Beaver: Nano 33 BLE(Arduino), NeoPixel, Sound Level Meter [SEN0232], Dc-Dc adapter, Lithium battery Beaver Dam: Nano 33 BLE(Arduino), directional microphones, 360-degree continuous servo motor, Camera, LED