Tomo Yamanaka
GP2Y0A21YK Distance Sensor sample.
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About GP2Y0A21YK¶
GP2Y0A21YK is a distance sensor and can be controlled by using the AnalogIn.
The range of this sensor is 10-80cm.
- Datasheet of GP2Y0A21YK
https://www.sparkfun.com/datasheets/Components/GP2Y0A21YK.pdf
About sample program¶
This program outputs distance between the object to the terminal.
Please use in the range of 10-80cm because of the sensor specifications.
Even if the distance is less than 10cm, this program outputs the distance to the terminal.
However, since the output value is not a correct value, note the malfunction.
About wiring¶
| Sensor | GR-PEACH |
| White wire | A0 |
| Orange wire | GND |
| Black wire | 3.0V |