This is an awesome intractable on how to make your very own arduino gameboy! Its is fun and easy to make. You can bring it anywhere you want and play any game you want!
Step 1: Putting The Circuit Together
16x2 lcd screen
1. Connect the potentiometer to the lcd screen, and the screen to the arduino as shown in the schematic below.
Step 2: Finishing The Curcuit
2. Attach the positive and negative wires to the correct pins on the arduino like shown below.
3. Mount everything on the breadboard.
Step 3: Put Everything Together
2. Glue (or tape) the pieces together and insert the circuit boards.