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4004-SBC
Home-brew Intel 4004 Single Board Computer8008-SBC
Home-brew Intel 8008 single board computer with SCELBAL BASIC interpreter in EPROMESP8266-WiFi-Analog-Clock
Uses an ESP8266 module and an Arduino sketch to display the local time on a inexpensive analog quartz clock.wheelwriter-teletype
A STCmicro STC15W4K32S4 series micro controller turns an IBM Wheelwriter Electronic Typewriter into a teletype-like device.wheelwriter-printer
A Dallas Semiconductor DS89C440 MCU turns an IBM Wheelwriter Electronic typewriter into a Windows "Generic/Text Only" Printer.CTS256-SP0256
Vintage General Instrument Speech Synthesizer CTS256 with SP0256champ-4040-microcomputer
"Practical Electronics" magazine article on building "Champ" 4040 microcomputerSignetics-2650-SBC
A simple Signetics 2650 single board computerIntel-8048-SBC
A simple Home-brew Intel 8048 Single Board Computer4004-decimal-arithmetic
Decimal arithmetic subroutines for the Intel 4004 CPUwheelwriter-reader
Uses a Dallas Semiconductor DS89C440 MCU to read data on the Wheelwriter's serial BUS.wheelwriter-6-usb-keyboard
A Soarer's Controller configuration file to turn a Wheelwriter 6 keyboard into a USB keyboard.2732-EPROM-Emulator
Uses an IDT7134 Dual Port RAM to emulate a 2732 EPROMFlowControlSoftSerial
Paul Stoffregen's Software Serial library for Arduino hacked to incorporate RTS/CTS flow control.wheelwriter-70-usb-keyboard
A Soarer's Controller configuration file to turn a Wheelwriter 70 keyboard into a USB keyboard.wheelwriter-send
Uses a Dallas Semiconductor DS89C440 MCU to send a hex number to the Wheelwriter's serial BUS.4004-delay-calculator
Calculate register values for Intel 4004 and 4040 delay loopsCHEKMO-WinBoard-Interface
WinBoard Graphic User Interface for Ancient CHEKMO-II Chess ProgramIntel-4004-Random-Number-Generator
A 16 bit random number generator for the Intel 4004 or 4040 CPULove Open Source and this site? Check out how you can help us