Ever since the OLPC project was announced I have wanted an homemade portable laptop/lunchbox type computer with OLPC like Screen, with black/white reflective reading for outdoors use. The same screen works as a regular color LCD when used indoors with the back light connected. Even thought this type of screen uses more power than E-paper, it's also is a lot faster to refresh so it's better suited to web surfing etc.
Currently I have tested the display, controller, Pi alongside wireless KB/Mouse and system is quite usable even though as fast as today's commercial laptops/tablets. Next part of the project will be making/purchasing suitable enclosure and installing these components to make basic system.
|Reflective display + parts.|
On future upgrades.. I allready have wifi -module that's supposed to be supported by Raspbian which I have not yet tested. Using wireless net will eat power, but on the other hand it eliminates the need for ethernet-cabling. Also alternative CPU board is under consideration. At the moment this system is based on Raspberry Pi, but Banana Pi looks like valid alternative since it offers overall better performance with less power use.
At the moment, there's not much point making any video of this. When(if?) I get this to packed and working ... perhaps.