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Difference between revisions of "SNS-GP2Y0A21YK0F"
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+ | [[Category:Components:Sensors]] | ||
+ | ==GP2Y0A21YK0F== | ||
+ | GP2Y0A21YK0F is IR distance sensor 10-80cm with analog output. | ||
+ | The output / distance relations is like this: | ||
+ | |||
+ | [[File:Example.png]] | ||
+ | |||
+ | [http://luckylarry.co.uk/arduino-projects/arduino-using-a-sharp-ir-sensor-for-distance-calculation/ have nice article about measuring distance with Arduino] | ||
+ | |||
+ | the final code is: | ||
+ | |||
+ | int IRpin = 1; // analog pin for reading the IR sensor | ||
+ | |||
+ | void setup() { | ||
+ | Serial.begin(9600); // start the serial port | ||
+ | } | ||
+ | |||
+ | void loop() { | ||
+ | float volts = analogRead(IRpin)*0.0048828125; // value from sensor * (5/1024) | ||
+ | float distance = 65*pow(volts, -1.10); // worked out from graph 65 | ||
+ | Serial.println(distance); // print the distance | ||
+ | delay(100); // arbitary wait time. | ||
+ | } | ||
+ | |||
[[Category:Components:Sensors]] | [[Category:Components:Sensors]] |
Latest revision as of 04:11, 23 July 2014
GP2Y0A21YK0F
GP2Y0A21YK0F is IR distance sensor 10-80cm with analog output. The output / distance relations is like this:
have nice article about measuring distance with Arduino
the final code is:
int IRpin = 1; // analog pin for reading the IR sensor void setup() { Serial.begin(9600); // start the serial port } void loop() { float volts = analogRead(IRpin)*0.0048828125; // value from sensor * (5/1024) float distance = 65*pow(volts, -1.10); // worked out from graph 65 Serial.println(distance); // print the distance delay(100); // arbitary wait time. }