Category Archives: Led projects
![](http://www.techydiy.org/wp-content/uploads/2016/02/tn_194.jpg)
How to make an led heart in a light bulb project
For Valentine’s Day this year I have created an led heart in a light bulb lamp.
How to wire UV Ultraviolet LEDS Experiment & tutorial
In this video I give some information about UV (Ultraviolet) Led Wavelength, How to calculate the series resistor value, some simple ways to wire or connect them and then look at a few items that glow under ultraviolet light.
![Star Wars Led Edge Light Sign with galaxy background](http://www.techydiy.org/wp-content/uploads/2016/12/star-wars-star-background-624x351.jpg)
How to make a Star Wars led edge light sign
In this article, I am going to describe how you can make a Star Wars led edge lit sign.
The sign is engraved on a clear acrylic sheet. I have used an A4 sized 3mm thick sheet, which is common in Europe. In the US where A4 sheets are not as easy to obtain then you can use 8″ x 12″ x 1/8″ which is a similar size.
To obtain the Star Wars effect I have used a gloss black acrylic sheet behind the clear sheet.
How to make an led Christmas tree edge light sign
How to make an led Christmas tree edge light sign using a Dremel engraving tool 290-1