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  • TI-84+ SE Backlight

  • As you can see in the picture, the screen is glued onto the PCB with a thick piece of aluminium between them. Now we have to remove the LCD screen and plate from the motherboard. This is tricky. You must be extremely careful, because the LCD is made...
  • TI-84+ SE Backlight

  • Now is a good time to cut your EL panel down to size. Lay the LCD on top of it and trace around it with a marker. I chose to have the leads going out the right side (facing the front of the screen). You can cut the EL panel with scissors. You might want...
  • TI-84+ SE Backlight

  • Now we need to get the metal plate off of the screen. This is the most dangerous part of the project. Get some rubbing acohol and pour it into the holes in the back of the plate. This will help dissolve the adhesive holding it to the screen. I let the...
  • TI-84+ SE Backlight

  • Take one of those extra pieces of EL panel from earlier and start sliding it between the aluminium plate and the screen. Any other thin piece of plastic will also work. DO NOT USE A KNIFE or any other metal object. Add rubbing alcohol as you go to help...
  • TI-84+ SE Backlight

  • Now is a good time to test your LCD and make sure it still works. Load the batteries back into the back half of the case. Press the motherboard against the back half of the case so the battery connectors make contact. Use a screwdriver or some other...
  • TI-84+ SE Backlight

  • On the back of the LCD there is a reflector and a polarizer. This diagram shows the different layers.The reflector is a thin foil sheet on back of the polarizer. It needs to be removed so the backlight can shine through. The polarizer is a thicker plastic...
  • TI-84+ SE Backlight

  • Take the new polarizer film and slide it behind the LCD. If you turn the polarizer one way, the screen will be transparrent. If you turn it the other way, the screen will be opaque. Behold the magic of polarized light!Now you have the option of inverting...
  • TI-84+ SE Backlight

  • Assemble your LCD sandwich with the EL panel on the back, then the polarizer, then the glass. You can use some scotch tape around the edge to hold everything in place. I used some putty to stick the whole thing to the PCB, but you could also use some...
  • TI-84+ SE Backlight

  • Find a good place to mount the push button that will control the backlight. I chose to put mine on the left side of the calculator, as you can see in the pictures. This was a very tight fit though. Some other suggestions would be on the top or under...
  • TI-84+ SE Backlight

  • Use hot glue to mount the inverter and push button in the back half of the case. Fortunately theres lots of space inside the TI. Use lots of glue so the button stays in place when you push it.
  • TI-84+ SE Backlight

  • Solder the - wire from the inverter to the - lead on the battery case. The inverter needs 3V, not 6V, so solder the + wire to the connector going between the second and third AA.
  • TI-84+ SE Backlight

  • Now its time to take apart the inverter. Clip off the spring and solder some wires onto the battery contacts. The inverter will be powered by two of the calculator's AAs.The inverter has two buttons, but they both do the same thing. Desolder the button...
  • DIY SlingBox $30

  • Server Controls:The real tricky part here is starting VLC from the web, as a user, that will allow outside connections.My solution was to configure Apache to have user pages. I then placed the server controls in /home/username/public_html/cgi-binhttp://httpd.apache.org/docs/2.2/howto/public_html.html...
  • DIY SlingBox $30

  • VLC:Live transcoding is resource intensive, making it nice to be able to turn it on and off. Also switching the VLC configurations allows for many variations of size and quality, useful in tailor the stream to different devices and scenarios. Below are...