Hackaday (unofficial) May 16, 2021 12:00am A Phased-Array Ultrasonic 3D Scanner From Scratch #arduinohacks #techhacks #3dscanner #ultrasonic #ultrasonicarray #hackaday posted by pod_feeder_v2 A Phased-Array Ultrasonic 3D Scanner From Scratch Who wouldn’t want an autonomous drone to deliver cans of fizzy drink fresh from the fridge? [Alex Toussaint] did, and in thinking how such a machine might work he embarked on a path that even…