Step:1
Create a new image, File > New  set the Width to 800 and the Height to 600. Set the background color to white #FFFFFF

Step: 2
Click on the Elliptical Marquee Tool , and add the setting below.

Create a circle on your work area and fill it with this color #aa3030. Now right click on the layer with the circle and click Blending Options  and add the setting below.

If you did everything right you should have something like I have below.

Step 3:
To change the color of your LED right click on your layer and click Blending Options add the setting below.

That's it. Here is my finish example.

This Tutorial was Created By Mark
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