Jim

ESP8266_WiFi_Analog_Clock. Uses an ESP8266 module and an Arduino sketch to display the local time on a inexpensive analog quartz clock.

Intel_4004_Single_Board_Computer. Home-brew Intel 4004 Single Board Computer

Intel_8008_Single_Board_Computer. Home-brew Intel 8008 single board computer with SCELBAL BASIC interpreter in EPROM

Intel_8080_Single_Board_Computer. Home-brew Intel 8080 Single Board Computer with Altair BASIC Interpreter

Atomic-Clock-NTP-Modification. An ESP8266 Module and an Arduino sketch replace the WWVB radio receiver in an Atomic Clock to synchronize the clock using NTP.

IBM_Wheelwriter_Teletype. A STCmicro STC15W4K32S4 series micro controller turns an IBM Wheelwriter Electronic Typewriter into a teletype-like device.

IBM_Wheelwriter_Printer. A Dallas Semiconductor DS89C440 MCU turns an IBM Wheelwriter Electronic typewriter into a Windows "Generic/Text Only" Printer.

General_Instrument_CTS256_SP0256_Speech_Synthesizer. Vintage General Instrument Speech Synthesizer CTS256 with SP0256

Signetics_2650_Single_Board_Computer. A simple Signetics 2650 single board computer

Intel_8048_Single_Board_Computer. A simple Home-brew Intel 8048 Single Board Computer

PE_Champ_4040_Microcomputer. "Practical Electronics" magazine article on building "Champ" 4040 microcomputer

Mostek_MK3850_Single_Board_Computer. Mostek MK3850 Single Board Computer with tiny BASIC

MOSTEK_MK38P70_MK38P73_Single_Board_Computer. A simple single board computer based on the MOSTEK MK38P70 or MK38P73 MCU

Motorola_MC14500B_Single_Board_Computer. A simple single board computer built around the MC14500B 1-bit CPU.

FlowControlSoftSerial. Paul Stoffregen's Software Serial library for Arduino hacked to incorporate RTS/CTS flow control.

IBM_Wheelwriter_Bus_Reader. Uses a Dallas Semiconductor DS89C440 MCU to read and display data on the Wheelwriter's serial BUS.

2732_EPROM_Emulator. Uses an IDT7134 Dual Port RAM to emulate a 2732 EPROM

Intel_4004_Decimal_Arithmetic_Functions. Decimal arithmetic subroutines for the Intel 4004 or 4040 CPU

National_Semiconductor_SCMP_Single_Board_Computer. A simple single board computer with Tiny BASIC for the National Semiconductor SC/MP microprocessor

IBM_Wheelwriter_6_USB_Keyboard. A Soarer's Controller configuration file to turn a Wheelwriter 6 keyboard into a USB keyboard.

Motorola_68008_Single_Board_Computer. Homebrew Motorola 68008 Single Board Computer

Intel_4004_Delay_Loop_Calculator. Calculate register values for Intel 4004 and 4040 delay loops

CHEKMO_WinBoard_Interface. WinBoard Graphic User Interface for Ancient CHEKMO-II Chess Program

DEC_T-11_SBC. DEC T-11 Single Board Computer

Intel_4004_Random_Number_Generator. A 16 bit random number generator for the Intel 4004 or 4040 CPU

IBM_Wheelwriter_Bus_Sender. Uses a Dallas Semiconductor DS89C440 MCU to send data over the Wheelwriter's serial BUS.

IBM_Wheelwriter_70_USB_Keyboard. A Soarer's Controller configuration file to turn a Wheelwriter 70 keyboard into a USB keyboard.

ESP8266_Freezer_Door_Alarm. Uses an ESP8266 to alert when a freezer door is left ajar.

Raspberry_Pi_WWVB_Simulator. Use a Raspberry Pi to simulate the time signal from WWVB to set radio controlled "Atomic Clocks".