Introduction

So many gadgets for your smartphone, but it's not cheap for you buy it. So now i will show you how to make unique gadget for your smartphone for cheap and under 30 minutes to make it. I will make Smartphone notification lamp because its so useful when i have new notification or any new message and this gadgets can use as flashlight.

Let's Make It!!

Step 1: Tools and Materials You Will Need

Materials:

Old audio jacks (Use 3.5 mm jack)
1 Low voltage LED (Use the low voltage led for best result)

Tool:

Soldering iron
Hot glue gun / any glue for make the case

Step 2: Open the Case

Take the audio jack and open the case slowly, Don't broken the inside.

Step 3: Search the Output Voltage

Take your smartphone
Plug in the audio jack
Listen any music on your smartphone and set the volume full.
Paste the led and search the positive and negative output
And its look like image 4 and 5

Step 4: Solder It!

Take your soldering iron and solder it slowly. After that its look like image.

Step 5: Make the Case

Make the case for looking best. I use hot glue to make the case like image.But you can use anything for make the case. And cover it using heat shrink tubing or anything. I use white tape to cover it.