Introduction
We often see billboards composed of colorful LEDs. They are constantly changing to form various effects. In this experiment, we compile a program to simulate chase effect.
Hardware Required
- Arduino Board x1
- Led x6
- 220Ω resistor x6
- breadboard jumper wire x 13
Video Tutorial
Connection
Connection for REV4:
Connection for 2560 R3:
Sample Code
int BASE = 2 ; // the I/O pin for the first LED int NUM = 6; // number of LEDs void setup() { for (int i = BASE; i < BASE + NUM; i ++) { pinMode(i, OUTPUT); // set I/O pins as output } } void loop() { for (int i = BASE; i < BASE + NUM; i ++) { digitalWrite(i, LOW); // set I/O pins as “low”, turn off LEDs one by one. delay(200); // delay } for (int i = BASE; i < BASE + NUM; i ++) { digitalWrite(i, HIGH); // set I/O pins as “high”, turn on LEDs one by one delay(200); // delay } }
Result
You can see the LEDs blink by sequence.
All Tutorial
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 1: Hello World
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project Project 2: LED Blinking
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 3: PWM
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 4: Traffic Light
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 5: LED Chasing Effect
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 6: Button-controlled LED
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 7: Active Buzzer
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 8: Passive Buzzer
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 9: RGB LED
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 10: Photo Resistor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 11: Flame Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 12: LM35 Temperature Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 13: Tilt Switch
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 14: IR Remote Control
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 15: Analog Value Reading
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 16: 74HC595 driving LEDs
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 17: 1-digit LED Segment Display
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 18: 4-digit LED Segment Display
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 19: 8*8 LED Matrix
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 20: 1602 LCD
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 21: Servo Control
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 22: 5V Stepper Motor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 23: PIR Motion Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 24: Analog Gas Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 25: ADXL345 Three Axis Acceleration Module
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 26: HC-SR04 Ultrasonic Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 27: Joystick Module
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 28: 5V Relay Module
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 29: DS3231 Clock Module
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 30: DHT11 Temperature and Humidity Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 31: Soil Humidity Sensor
- Arduino UNO R3/MEGA 2560 R3 Starter Kit Project 32: RC522 RFID Module
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