Magazine Articles by Brian Beard

Build a Digital Pulse Generator. Circuit Cellar, No. 289, August 2014. This article covers the design of the Digital Pulse Generator kit.

MCU-Based Environmental Data Logger. Circuit Cellar, No. 266, September 2012. This article covers the design and use of a datalogger collecting environmental data such as relative light intensity, temperature, barometric pressure, relative humidity, and more.

Build the Garage Door Closer. Nuts & Volts, Vol. 33, No. 1, January 2012. This article covers the design and construction of a project that will automatically close your garage door when you forget to.

Designing a general-purpose programming system - Part 2. Nuts & Volts, Vol. 22, No. 1, January 2001. This article covers the design of the PM-16C and driver software. This LP120 programming-module works with serially programmed PIC microcontrollers.

Designing a general-purpose programming system - Part 1. Nuts & Volts, Vol. 21, No. 12, December 2000. This article covers the design of the LP120 hardware and firmware.

Digital Alarm Clock. Nuts & Volts, Vol. 21, No. 5, May 2000. This article describes a complete digital alarm clock based on the MC68HC705J1A.

Build The Joymouse. Electronics Now, Vol. 69, No. 1, January 1998. The workings of analog joysticks and serial mice are explained. A circuit (the Joymouse) to convert an analog joystick into a serial mouse is described.

68705-Based Experimenter's Clock. Electronics Now, Vol. 65, No. 2, February 1994. This article describes the design of a digital clock based on the MC68705P3.

68705 Microcontroller Programmer. Electronics Now, Vol. 65, No. 1, January 1994. This article covers the design of the EP705N.

A Computer-Controlled EPROM Programmer. ComputerCraft, Vol. 2, No. 7, July 1992. This article covers the design of the LP110, the predecessor of the LP120.

MC68705 Single-Chip Microcontrollers. ComputerCraft, Vol. 1, No. 8, November 1991. This article is a tutorial on the MC68705P/R/U family of microcontrollers.

An MC68701 Microcomputer Chip Programmer. Modern Electronics, Vol. 7, No. 5, May 1990. This article covers the design of the EP701.

Microcomputer on a Chip. Modern Electronics, Vol. 7, No. 4, April 1990. This article is a tutorial on the MC68701 microcomputer chip.

A Printer Multiplexer. Modern Electronics, Vol. 5, No. 6, June 1988. This article describes the design of an automatic printer multiplexer, two computers to one printer.


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