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Interfacing LED with Arduino & LED Blinking Circuit
(Nano , Uno , Mega)
Led blinking is the beginner and very easy step to start your projects with arduino.
Lets get started
COMPONENT REQUIRED:
- Arduino (Nano or UNO or Mega)
- Resistor (220 or 1K Ohm)
- LED
- Jumper Wires
- Breadboard
LED:
First identify the anode (+ ve) leg and the LED cathode (-ve).
Following the diagram gives a clear LED view
CIRCUIT CONNECTIONS:
Now connect one end of resister to the 5v and other end to the positive leg of LED .Connect Negative leg of LED connect to the pin 13.
Arduino Code for LED Blinking:
int ledpin = 13; //pin where led LED Ground connect
void setup()
{
pinMode(ledpin, OUTPUT); //Select pin 13 as a output
}
void loop()
{
digitalWrite(ledpin, LOW ); //at start LED low
delay(1000); //1 second delay
digitalWrite(ledpin, HIGH); //LED pin high and LED turns On
delay(1000); //1 second Delay
}
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