Circuit Cellar Ink
Articles by Bob Perrin

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Over the last ten years, Bob has designed instrumentation for agronomy, soil physics, and water activity research. He has also designed embedded controllers for a variety of other applications. For more technical resources and articles, visit Bob's online library at www.engineerbob.com.

• #68 March 1996, p. 38, Microvolt-Level Data Acquisition
• #74 September 1996, p. 42, High-Resolution ADCs
• #94 May 1998, p. 12, PDF, PDF HTML, HTML Practical Analog Design
• #104 March 1999, p. 28, PDF HTML Web-Based Circuit Engineering
• #108 July 1999, CC Online, PDF HTML The Art and Science of RS-485
• #108 July 1999, CC Online, PDF HTML Considering the Details Pedigree Protection, Watchdog Circuits
• #108 July 1999, CC Online, What's Your Engineering Quotient?
• #109 August 1999, CC Online, PDF HTML Considering the Details Mixed-Logic Notation, A Tool for Concise Expression
• #109 August 1999, CC Online, What's Your Engineering Quotient?
• #110 September 1999, CC Online, PDF HTML Considering the Details I/O for Embedded Controllers, Part 1: Digital I/O
• #110 September 1999, CC Online, What's Your Engineering Quotient?
• #111 October 1999, CC Online, PDF HTML Considering the Details I/O for Embedded Controllers, Part 2: Analog I/O
• #111 October 1999, CC Online, What's Your Engineering Quotient?
• #112 November 1999, CC Online, PDF HTML Considering the Details Getting Started with Embedded PCs
• #112 November 1999, CC Online, What's Your Engineering Quotient?
• #113 December 1999, CC Online, PDF HTML Considering the Details The Basics of Thermocouples
• #113 December 1999, CC Online, What's Your Engineering Quotient?
• #114 January 2000, CC Online, PDF HTML Considering the Details Modular Instrumentation Design, Part 1: Defining the project
• #114 January 2000, CC Online, What's Your Engineering Quotient?
• #115 February 2000, CC Online, PDF HTML Considering the Details Motors: A Lost Art?
• #115 February 2000, CC Online, What's Your Engineering Quotient?
• #116 March 2000, CC Online, What's Your Engineering Quotient?
• #117 April 2000, CC Online, PDF HTML Considering the Details Looking Good, Using a Graphics-Based LCD Module
• #117 April 2000, CC Online, What's Your Engineering Quotient?