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Table Of Contents

26

Lesson 3 Flowing LED Lights

Introduction

In this lesson, we will learn how to make eight LEDs blink in various effects as you want

based on Raspberry Pi.

Components

- 1 * Raspberry Pi

- 1 * Breadboard

- 8 * LED

- 8 * Resistor (220Ω)

- Jumper wires

Principle

Set GPIO0-GPIO7 to low level in turn by programming, and then LED0-LED7 will light up in

turn. You can make eight LEDs blink in different effects by controlling their delay time and

the order of lighting up.

Experimental Procedures

Step 1: Build the circuit