Games and fun stuff (schematics)

Visor cradle serial interface Electronic coin tosser Electronic craps game First response monitor VCR ping pong game Video ping pong game MBC5/CPLD for the GameBoy GameBoy Camera Parallel Port Interface PSX controler to PC MIDI converter Dreamcast PC serial adapter GameBoy Cart Programmer Memory game 32 Kb x 8 emulator for the GameBoy Project: NES to Atari 2600 controller interface Battery Meter for Pinball Machines SRX1 (Stephane's Robotic eXperiment 1) Pine Racecar Victory Judge Interfacing Sony control stick to Empeg Electronic Nicad glow plug driver April Fools LEDs Pinewood Derby logic Quiz Master GameBoy Schematic GameBoy LCD schematic GameBoy Power & Cartridge schematic GameBoy ROM+RAM+MBC1 Cart Schematic GameBoy MBC1 circuit equivalent Super GameBoy schematic Quiz show indicator Dreamcast interface Flashing heart Phoenix programmer Funcard programmer Bingo!!! (on your tv) Slot car TV cronograph Furby reverse-engineered circuit Sanyo 20EZ monitor Arcade Game (300k ZIP) Burger Time Arcade Game (500k ZIP) Dig Dug Arcade Game (800k ZIP) Frogger Arcade Game (500k ZIP) Galaga Arcade Game (542k ZIP) Gyrus Arcade Game (800k ZIP) Junior Pacman Arcade Game (400k) Ladybug Arcade Game (335k ZIP) Mappy Arcade Game (470k ZIP) Moon Cresta Arcade Game (300k ZIP) Mr.Do Arcade Game (554k ZIP) PacLand Arcade Game (316k ZIP) Pengo Arcade Game (313k ZIP) Q*Bert Arcade Game (600k ZIP) Qix Arcade Game (476k ZIP) Scramble Arcade Game (600k ZIP) Time Pilot'84 Arcade Game (870k ZIP) Xevious Arcade Game (450k ZIP) Magic Wand Conjuring Trick Quiz game circuit E.S.P. Conjuring Trick DIT shutterglasses controller Tic-tac-toe game using PIC16F628 Archery timer PIC micro Tetris game Magic lamp, IR remote control jammer and other fun circuits (PDF) Lego Mindstorms Double Rotation Sensor

Source