High-speed models with powerful engines, boats, etc. car. 50 amp motor speed control circuit with integrated servo controller used in the control ZN409 In çıkışar CD4093 integrated gate driver MOSFETs MTP2955 in section 6 (IRFZ44 available onsite)
50A PWM Motor Speed Controller Project
Source: http://www.siliconchip.com.au/cms/A_102330/article.html
50A Motor Speed Control Circuit for Model Car, Boat schematic pcb files alternative link
50A Motor Speed Control Circuit for Model Car, Boat ZIP File Password: 320volt.com
USB Joystick Converter for Atari, Amiga, Commodore 64
Old atari, commodore-64, amiga joystick you can use on your computer usb converter circuit circuit based on Atmel ATmega8-pin adapter does not require power from the USB port in addition to working with 5Volt
USB Joystick Converter Circuit