Lesson 3 7-Color Auto-flash LED

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Introduction

On the 7-Color Auto-flash LED module, the LED can automatically flash built-in colors after power on. It can be used to make quite fascinating light effects.

Components

– 1 * Raspberry Pi

– 1 * Breadboard

– 1 * Network cable (or USB wireless network adapter)

– 1 * 7-color auto-flash LED module

– 1 * 3-Pin anti-reverse cable

Experimental Principle

When it is power on, the 7-color auto-flash LED will flash built-in colors.

The schematic diagram:

Experimental Procedures

Build the circuit

Raspberry PiAuto-flash LED Module
GNDGND
5VVCC

Note:There are two “GND” pins on the module. You only need to connect one of them.

Now, you can see the 7-color auto-flash LED flashing seven colors.