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--- en:iot-open:hardware2:sensors_optical [2023/11/21 21:28] – ktokarz
+++ en:iot-open:hardware2:sensors_optical [2023/11/23 10:38] (current) – pczekalski
@@ Line 1: / Line 1: @@
 ====== Optical Sensors ======
+{{:en:iot-open:czapka_b.png?50| General audience classification icon }}{{:en:iot-open:czapka_e.png?50| General audience classification icon }}\\
 == Optocoupler ==
@@ Line 27: / Line 27: @@
 An example code:
 <code c>
-int optoPin = A0; //Initialize an analogue A0 pin for optocoupler
+int optoPin = A0;   //Initialize an analogue A0 pin for optocoupler
-int optoReading; //The analogue value reading from the optocoupler
+int optoReading;    //The analogue value reading from the optocoupler
 int objecttreshold = 1000; //Object threshold definition
-int whitetreshold = 150; //White colour threshold definition
+int whitetreshold = 150;   //White colour threshold definition
 void setup ()
@@ Line 89: / Line 89: @@
 void setup(void) {
   Serial.begin(9600);
-  Wire.begin(5,4); //SCL SDA
+  Wire.begin(5,4);           //SCL SDA
-  pinMode(21, OUTPUT);  //Pin 21 controls LED
+  pinMode(21, OUTPUT);       //Pin 21 controls LED
-  digitalWrite(21,LOW); //Turn off onboard LED
+  digitalWrite(21,LOW);      //Turn off onboard LED
   if (rgb_sensor.begin()) {  //Initialise RGB sensor
     Serial.println("RGB sensor present");

en/iot-open/hardware2/sensors_optical.1700602123.txt.gz · Last modified: 2023/11/21 21:28 by ktokarz