Details:
GP2Y0A21YK0F SHARP IR Analog Distance Sensor Including Cable 10CM-80CM Arduino
This SHARP 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. Comes with 30cm long 3-JST interface wire. These sensors are good for short-range detection.
To use, connect black wire to ground, red wire to 5V and white wire to analogue input. The analogue voltage out will range from 3V when an object is only 10cm away and 0.4V when the object is 80cm away.
Specifications:
GP2Y0A21YK0F optical sensor
Sensing distance: 10 ~ 80cm
Output Type: Analog
Voltage – Supply: 4.5 V ~ 5.5 V
Current – Supply: 30mA
When the voltage is different from the - output difference (typical):1.9V @ 10 ~ 80cm
Different voltages distance - the output (typical value):400mV @ 80cm
Applications: Motor Drive & Control, Sensing & Instrumentation, Industrial
Data sheet:
http://www.sharp-world.com/products/device/lineup/data/pdf/datasheet/gp2y0a21yk_e.pdf
Infrared Distance Measurement with the Raspberry Pi (Sharp GP2Y0A02YK0F)
https://tutorials-raspberrypi.com/infrared-distance-measurement-with-the-raspberry-pi-sharp-gp2y0a02yk0f/
Package includes:
1x GP2Y0A21YK0F SHARP IR Analog Distance Sensor Module
1x cable
(No retail packaging. No manual)
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