Purpose of this tutorial:
The purpose of this tutorial is to flash an LED through the Arduino board: illuminate and switch off the LED alternately at 1 second intervals.
Necessary components:
- Arduino UNO
- 1 red LED
- 1 resistor of 220Ω
- connecting wires t
- est plate
Mounting
As for mounting, it is easy to connect LEDs to Arduino.
- Connect the digital (digital) terminal number 1 of the Arduino board to the resistor leg Then
- connect the second resistor leg to the anode (terminal +) of the LED
- Finally connect the cathode (terminal -) of LEDs to the GND of the Arduino.
Program
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void setup(){ pinMode(1,OUTPUT); //sets the number 1 digital pin of the Arduino board in output mode } void loop(){ digitalWrite(1,HIGH); //The LED lights delay(1000); digitalWrite(1,LOW); // The LED goes out delay(1000); } |
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