IR distance sensor

• As the name, this distance sensor bounces IR off objects to determine how far away they are.
• It returns an analog voltage that can be used to determine how close the nearest object is.
• These sensors are good for short-range detection.

Data Sheet

https://global.sharp/products/device/lineup/data/pdf/datasheet/gp2y0a21yk_e.pdf

Features

1. Distance measuring range: 10 to 80 cm
2. Analog output type
3. Consumption current: Typ. 30 mA
4. Supply voltage: 4.5 to 5.5 V

Applications

1. Touch-less switch (Sanitary equipment, Control of illumination, etc.)
2. Robot cleaner
3. Sensor for energy saving (ATM, Copier, Vending machine)
4. Amusement equipment (Robot, Arcade game machine)