Here is an image of the control board inside the gameboy:
Sorry, I know the images show a much desired black DMG, , however this game boy will be transplanted into a grey body.
and a few screen shots. I took them mostly to show the color range. obviously, contrast looks way better in person.
... you get the idea.
The reverb unitand three stomp boxes:
and the arduinoboy looks something like this.
your choice of led color. Note- this is my arduinoboy and unfortunately I dont have any extra sync cable jacks. if you send me a dead gameboy I can desolder and use the jack for yours. Otherwise, it will have a screw terminal blocks or whatever else you want.
...And here is the tube amp.
nanoloop touch anyone?