Blinking LED with Arduino Uno
In this tutorial, we learn about how to blink LEDs using Arduino. This LED Blink Arduino tutorial includes everything about the wiring and programming of this project.
Required Hardware -
1 * LED
1 * 220-ohm Resistor
1 * Breadboard
2 * Jumper Wires
- You can buy these components from Amazon by clicking on it
Video Tutorial For This Project
Here is a video tutorial for this project. You can do your whole project with this video.
Credits – techteachervideo
About LED
- Cathode (-) always needs to be connected with GND.
- Anode (+) connects with the control LED’s state. (Ex- 13 pin in Arduino Uno board).
Wiring Diagram
- Connect Arduino Board GND pin to LED light (-) pin with a jumper wire.
- Then, connect Arduino Board 13 pin to LED (+) pin with a remaining jumper wire.
/*
Blinking LED project.
Turns on an LED on for one second, then off for one second, repeatedly.
Last Modification modified 30 March 2020
by Roy Ben Avraham
*/
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin 13 as an output.
pinMode(13, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
digitalWrite(13, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(13, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
}
Feel free to ask any questions about this project in the comment section. Thank you.
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