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The DIY Data-Projector
Purpose:
The DIY Data-Projector was a project was originally posted by Tom's Hardware back in 2004. This was an attempt to duplicate his efforts in a very cheap and meaningful way.
Parts:
15" LCD Monitor - $60 from of eBay (make sure it can support 12 vDC for the internal power) - Proview 14" PL456 makes a good choice.
Dukane Overhead Projector (triplet lens) - $40 from eBay
Computer PCI slot fan
12 volt DC power adapter to power LCD
4 pin molex connector for optional connection to computer power supply.
Styrofoam for surround.
Procedure:
- Note procedure is a general overview. Project requires utmost case not to damage the LCD. LCD Monitor must be allowed do disperse any residual power before disassembly to prevent electrocution.
1. Disassemble monitor: Remove power supply and carefully remove controls and connectors to the LCD Panel.
2. Remove LCD panel assembly and carefully remove the backlight power connections and LCD drive board.
3. Remove backlight, diffusion panel and plate.
4. You should have the bare LCD with the circuit board connections. Carefully disconnect the connections on edges of panel.
Components of the LCD panel. I initially installed the control board in the blackbox, but later removed it because it was too ugly. The On/Off and display controls are in the foreground.
5. Place panel back into original metal frame in original orientation without the backlight diffusion panel.
6. Plug the LD drive electronic board into the panel and mount in a fashion not to cause it to short out.
7.Place strips of styrofoam around the edges of the metal frame with a slot cut out for the slot fan.
8. Place the LCD panel in the metal frame onto of the overhead projector. Plug the control board and the display control into the control board.
Projector and Electronics. Control board and the display controls are on top of boxes.
10. Power up the Overhead projector. Make sure the fan is running or the LCD can be destroyed in a short time due to the heat from the projector light-source.
Projected image in a fairly well lit room.
UT2004 image in a darkened room. The image was projected onto a slightly textured white wall.
Terracode copyright 2004