Q&A: Guido Ottaviani (Roboticist, Author)

An Arduino-based robot platform (Source: G. Ottavini, CC236)

Guido Ottaviani designs and creates innovative microcontroller-based robot systems in the city from which remarkable innovations in science and art have originated for centuries. By day, the Rome-based designer is a technical manager for a large Italian editorial group. In … Continue reading


Q&A: Ayse Kivilcim Coskun (Engineer, BU)

Boston University professor Ayse Kivilcim Coskun

Ayse Kivilcim Coskun’s research on 3-D stacked systems has gained notoriety in academia, and it could change the way electrical engineers and chip manufacturers think about energy efficiency for years to come. In a recent interview, the Boston University engineering … Continue reading


Q&A: Aubrey Kagan (Engineer, Author)

Engineer and author Aubrey Kagan

Aubrey Kagan is a talented engineer with years of experience designing embedded systems. He’s also a prolific author. Between 2000 and 2010 he published 15 articles with Circuit Cellar on topics ranging from developing an AC current generator to resilience … Continue reading


Q&A: Lawrence Foltzer (Communications Engineer)

Lawrence Foltzer’s frequency-domain test instruments. An Analog Devices AD9834-based RFG is on the left. An AD5930-based SFG is on the right. The ICSP interface used to program a Microchip Technology PIC16F627A microcontroller is provided by a dangling RJ connector socket. (Source: L. Foltzer, CC254)

In the U.S., a common gift to give someone when he or she finishes school or completes a course of career training is Dr. Seuss’s book, Oh, the Place You’ll Go. I thought of the book’s title when I first … Continue reading


Q&A: Dave Jones (Engineer, EEVBlog)


Are you an electrical engineer, hacker, or maker looking for a steady dose of reliable product reviews, technical insight, and EE musings? If so, Dave Jones is your man. The Sydney, Australia-based engineer’s video blog (EEVblog) and podcast (The Amp … Continue reading


Q&A: Per Lundahl (Transformer Design)

Per Lundahl, CEO of Lundahl Transformers

Per Lundahl is a multitalented designer who runs one of world’s leading high-performance audio transformer manufacturing outfits, Lundahl Transformers, which is based in Norrtalje, Sweden. After graduating from the School of Physics at the Royal Institute of Technology in Stockholm, … Continue reading


Q&A: Hanno Sander on Robotics

Hanno Sander's Turing maching debugged with ViewPort

I met Hanno Sander in 2008 at the Embedded Systems Conference in San Jose, CA. At the time, Hanno was at the Parallax booth demonstrating a Propeller-based, two-wheeled balancing robot. Several months later, we published an article he wrote about … Continue reading


DIY Audio Design with Tymkrs

Tymkrs SidCog AX12

With the growing popularity of embedded design kits and microcontroller-based platforms for rapid prototyping, it’s now easier and more affordable than ever for engineers, DIYers, musicians, audiophiles, and academics to customize electronics applications of their own. The March 2012 issue … Continue reading