To install the mods you need basic soldering skills:
To connect a portable videogame to a stationary TV is of course a bit counter-intuitive, but hey, its fun! By adding a Bivert chip on top of this, you will also experience a sharper picture. The idea with the VGA mod is simple: you generate a VGA-out signal from your DMG-01 Gameboy, which enable you to play it on your monitor or TV. In this post, I will describe how to perform this mod. However, in some cases, the screens are beyond repair (if they have dead horizontal lines, or damaged flexible PCBs). They usually suffer from two faults that are easy to repair: corrosion on the battery connectors, and vertical lines on screen.
I have a tendency to buy broken Gameboys on Swedish eBay for around $20-$25, and then fix them.