SHOPPINGLIST



# Overhead projector - 20~50 Euro

One of the main parts is a overhead projector. You can find these things at schools, secondhand shops and websites like Marktplaats.nl or eBay.



Tips for buying:

1) Look for an brand projector, like 3M

2) Choose one with a high wattage lamp. I used a 250watt lamp, thats in daylight a bit weak, you can better look for an 400watt lamp.

3) A bigger glass plate can hold bigger LCD screens

4) Check the glass plate on damages



# LCD monitor - 25~50 Euro

The second main part is a LCD screen. I used a TFT computer monitor. There are a lot of screen sizes. Look for one that fits on the glass plate of your overhead projector. Bigger works too, but then you will lose some screen edges.



A lot of screens got a short FFC cable, thats called a 'FFC issue'. You need to extend the cable by replace it with a longer cable or extend the FFC cable with a solder iron. The easiest way is to find a screen with no FFC issues.



Tips for buying:

1) Search for one that fits on you overhead projector.

2) TFT computer screens are the easiest way. Laptop screens needs a controller, they are hard to find in Europe.

3) Look for screens with a broken backlight. You don't need that component for this projector.

4) Search on the internet for a type with no FFC issues. You can look in the database of Lumenlab or search with Google "LCD brand + model + ffc issue"



# Wood - 2~5 Euro

For making a frame that will hold the LCD screen.



# FFC cable - 15 Dollar

Only if you have a screen with a FFC issue. You can buy this one at the Lumenlab Store.



# UV & IR filter - 20 Euro

This will help cooling down the screen and prevents the screen is getting yellow.



# 2x Cooling fans - 10 Euro

These will help to keep the LCD screen cool. Simple computer fans, you can get these from old computers or buy it at a local computer shop.



# Gaffer tape - 10 Euro

This tape could be used for screen protection at the wooden frame.



# Aluminum foil - 1 Euro

To improve the light reflection.



TOOLS



# Screwdrivers

# Solder iron

# Iron saw

# Glue



HELPFUL LINKS



Please read before you start a lot of information about building a projector. It prevents a lot of problems.



# Information about overhead projectors:

- http://louisville.edu/~wchall01/diyprojector/overheads.htm



# Information about LCD screens

- http://www.lumenlab.com/forums/index.php?showtopic=4

- http://baseportal.com/cgi-bin/baseportal.pl?htx=/Lumenlab/main&localparams=1

- http://www.dity.nl/forum/schermen/324-tft-ffc-issue-lijst-en-overige-info.html

- http://ecrans.energie-libre.net/



# Other overhead projector projects:

- http://www.neoweb.nl/tftbeamer/index.html (Dutch)

- https://www.instructables.com/id/LCD-Overhead-Projector/



# Communities

- http://www.dity.nl/forum/ (Dutch)

- http://gathering.tweakers.net/forum/list_messages/1091930 (Dutch)

- http://www.lumenlab.com/forums/



# Shops

- http://www.diy-beamer.com/EN/store/comersus_listCategories.asp

- https://secure.lumenlab.com/estore/home.php?cat=252

- http://www.gadaffy.ch.vu/



