Answers for "increasing and decreasing brightness of led with ldr in arduino"

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increasing and decreasing brightness of led with ldr in arduino

int ledpin = 9;int ldrpin = 1;
int value = 0;void setup()
{Serial.begin(9600);}
void loop()
{
  value = analogRead(ldrpin);
  value = constrain(value,400,500);
  value = map(value,400,500,255,0);  Serial.println(value);
  analogWrite(ledpin, value);  delay(200);
}

Posted by: Guest on June-27-2021

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