Introduction: LED Flowing Lights - C.Y. Huang 黃崇瑜

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So this project is based on the original project made by Primerobotics, I added some stuff from the original project. The original project used to have 7 or 8 LEDs, but I added some more to 9 LEDs. The image above is what it looks like when it works normally.

Here's the link for the idea: https://www.instructables.com/Flowing-LED-Lights-With-Arduino-Uno-R3/

Step 1: Materials

First, you just have to gather some materials for this project

This is what you need:

- USB cable * 1 - Resistor * 9 - LED * 9 - Arduino evaluation board* 1 - Breadboard * 1 - Jumper wires

Step 2: Build Your Circuit

Basically, you just have to build a circuit like the image below, what you need is to do is to build 9 LED lights on the breadboard, and remember to use the resistors, you don't want to mess things up.

Step 3: Coding

At this part, you are going to code, and here is the code for it.

There is a part that you can set pins, if you want to add in more LEDs, then you can set the pins to maybe (2 through 10), depends on how many you like.

This is the link to my code: https://create.arduino.cc/editor/iamcycy14/c5adc0f3-0083-4f36-8290-c6f6291e44bf/preview

Step 4: Testing the Prototype

At this part, you should be done with building circuits and coding, see if it can work. The video here is the testing, this should be what it like.

Step 5: Finishing and Decorating

So after all of the process, I put some A4 papers at the outside of the circuit, and the LED will penetrate through the paper, which makes it beautifull. Watch the video here to see what is it like.