2025
ΣΥΝΔΕΣΜΟΛΟΓΙΑ LDR
// Include the Stepper library:
#include <Stepper.h>
// Define number of steps per revolution:
const int stepsPerRevolution = 160; // Change to your specific stepper motor count per revolution
// Initialize the stepper library on pins 8 through 11:
Stepper myStepper = Stepper(stepsPerRevolution, 8, 9, 10, 11);
#define LDRpinL A0
#define LDRpinR A1
int LDRValueL = 0;
int LDRValueR = 0;
void setup() {
// Set the motor speed (RPMs):
myStepper.setSpeed(60); // Change to your specific stepper motor count per revolution
Serial.begin(9600);
}
void loop() {
LDRValueL = analogRead(LDRpinL);
Serial.println(LDRValueL);
LDRValueR = analogRead(LDRpinR);
Serial.println(LDRValueR);
if (LDRValueL > LDRValueR) {
myStepper.step(20); // put – if opposite direction
delay(50);
}
else if (LDRValueL < LDRValueR) { // remove – if opposite direction
myStepper.step(-20);
delay(50);
}
else {
// we want a case with do nothing
}}
// Techatronic.com
#include <Servo.h> //including the library of servo motor
Servo sg90;
int initial_position = 90;
int LDR1 = A0; //connect The LDR1 on Pin A0
int LDR2 = A1; //Connect The LDR2 on pin A1
int error = 5;
int servopin=4; //You can change servo just makesure its on arduino’s PWM pin
voidsetup()
{
sg90.attach(servopin);
pinMode(LDR1, INPUT);
pinMode(LDR2, INPUT);
sg90.write(initial_position); //Move servo at 90 degree
delay(2000);
}
voidloop()
{
int R1 = analogRead(LDR1); // read LDR 1
int R2 = analogRead(LDR2); // read LDR 2
Serial.println(R1);
Serial.println(“LDR1”);
Serial.println(R2);
Serial.println(“LDR1”);
delay(300);
int diff1= abs(R1 – R2);
int diff2= abs(R2 – R1);
if((diff1 <= error) || (diff2 <= error)) {
} else {
if(R1 > R2)
{
initial_position = –initial_position;
}
if(R1 < R2)
{
initial_position = ++initial_position;
}
}
sg90.write(initial_position);
delay(100);
}
ΚΑΤΑΣΚΕΥΗ R4
Ldr & led ΓΙΩΡΓΟΣ
ΘΕΩΡΙΑ : ΤΑΣΗ ΚΑΙ ΕΝΤΑΣΗ & ΡΕΥΜΑ
