Automatic Touch-Free Hand Sanitiser Dispenser w/Arduino Uno, FC-51 Infrared Sensor & 15KG Servo

The video tutorial demonstrates an automatic hand sanitizer using an Arduino Uno board. It includes components like a 15K G torque servo, an FC 51 infrared sensor, and a 7.4 Volt battery. The video shows how the device works by detecting hand proximity and dispensing sanitizer. Despite some imperfections, the device is tested multiple times, and the tutorial concludes with a demonstration of its functionality.

Which component is used to control the movement in the automatic hand sanitizer?

• 15K G torque servo

• FC 51 infrared sensor

• 7.4 Volt battery

• Arduino Uno board

What is the role of the FC 51 infrared sensor in the hand sanitizer?

• To detect hand proximity

• To power the device

• To dispense the sanitizer

• To control the servo

What happens when the infrared sensor detects a hand?

• The device powers off

• The servo stops working

• The sanitizer is dispensed

• The battery recharges

What power source is used for the automatic hand sanitizer?

• 12 Volt adapter

• 9 Volt battery

• 5 Volt USB

• 7.4 Volt battery

What issue is mentioned regarding the servo in the demonstration?

• It has a couple of issues

• It is too noisy

• It is too slow

• It consumes too much power