Previously I posted instructable on how to make LED HD projector that you can see here instructables.com/id/DIY-LED-PROJECTOR
This was my first attempt to make projector then I more improve it and add many other features.
So I upgraded my projector. Many new features I added in this version that was needed for professional look.
What’s New –
1. Keystone correction feature added.
2. Now my projector more brighter.
3. New box design looks smaller.
4. Add internal speaker.
5. Add relay module for auto on/off LED light with my LCD remote.
6. Batter box finishing look like company product.
7. Add new menus buttons.
How to add relay module?
I bought 5v relay module from ebay.in @ 190 /- INR. I connect it with my 5v lcd controller pan drive power source and output terminal (COM and NO) connected with LED light driver and 240v power source. Now when I on my LCD controller with my remote the relay get triggered and LED light on automatically.
How To Make ?
Final Results -
All results are in the completely dark room and simple white wall. The projector set approx 10 feet far from the wall and screen size is project approx 100".