ESP8266 Reads the barometric pressure and temperature from a BMP280 module and sends data to ThingSpeak

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

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

Home-brew Intel 4004 Single Board Computer

Mostek MK3850 Single Board Computer with tiny BASIC

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

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

Decimal arithmetic subroutines for the Intel 4004 CPU

A simple modification to an atomic clock provides a visual indication when the WWVB signal is being received

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

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

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

A simple Home-brew Intel 8048 Single Board Computer

A simple Signetics 2650 single board computer

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

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

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

Vintage General Instrument Speech Synthesizer CTS256 with SP0256

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

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

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

WinBoard Graphic User Interface for Ancient CHEKMO-II Chess Program

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

Python script that updates DNS-O-Matic (and thus OpenDNS) when my IP address changes

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

Uses an IDT7134 Dual Port RAM to emulate a 2732 EPROM

Calculate register values for Intel 4004 and 4040 delay loops

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