Arduino LED Scroll Bar using easyEDA




Today I want to make a LED Scroll Bar as is shown in the picture above. Ten LED strips can flash in different effect by using a control board.

Arduino LED Scroll Bar using easyEDA




Components

LED strip, Arduino Nano, Dupont line and a control board.

How to make it ?

Step 1)

Cut the LED strip into 10 pieces with each LED arbitrary number.

Then, weld the traverse at an interface of the LED strip. Here I prefer using Dupont line to connect.

Step 2) Design

Make a control board. A control board is the pattern to control the flash of the LED strips. Aided by Arduino Nano and equipped with a keypad, we can control the LED strip to display different pattern.

Step 2.1) Design Schematic.

EasyEDA is a free EDA tool suite, it includes Schematic Editor, PCB layout, it has integrated a large number of component libraries, so you can feel easy to find the desired parts.

This is my Schematic shown in the picture below.

Notes: The voltage of the LED strip is 12 V with Nano 5V. Please remember to add a power regulator such as AMS1117-5.0.

Step 2.2) PCB Layout.

Step 2.3) Make a sample

After finishing designing the PCB, you can click the icon of Fabrication output above. Then you will come into the page of download gerber files and make sample, and are required to fill in some information such as PCB Thickness, Color, Qty of the plate. Next, add it to the shopping cart and after the payment is done, it is finished.

Step 2.4) Take delivery of the PCB

What a good PCB!

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