The Future of 3-D Printed Electronics

Photo 1: 3-D PE demonstrator—Tank-filling sensor produced in the FKIA project funded by the Bavarian Research Foundation (Courtesy of Neotech AMT GmbH)

Three-dimensional printing technology is one of our industry’s most exciting innovations. And the promising field of 3-D printed electronics is poised to revolutionize the way engineers design and manufacture electrical systems for years to come. In the following essay, Dr. … Continue reading

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Use Watchdog Timers (EE Tip #143)

ComponentsDesk-iStock_000036102494Large

Watchdog timers are essential to many complete electronic system designs.  As Bob Japenga explains, following a few guidelines will help make your designs more effective. No longer used in just the realm of fault-tolerant systems, independent watchdog timers are put on systems … Continue reading

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Electronica Munich 2014: Can You “Make” It?

EL-Munich-2014

Visiting Elektor International Media’s booth at the Electronica 2014 in Munich (November 11–14,2014) will have its perks. Attendees can stop at the space to relax, recharge their electronics, have coffee, and chat with like-minded electrical engineers and electronics “makers.” The … Continue reading

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Cabinet-Based DIY Electronics Workspace

(Source: Patrik Thalin)

Micrcontrollers and electrical engineering probably don’t come to mind when you flip through an IKEA product catalog. But when you think about it, IKEA has plenty of easy-to-assemble tables, cabinets, and storage containers that could be handy for outfitting a … Continue reading

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DIY Arduino-Based ECG System

Here you can see the system in action. The top line (green) has a 1-s time base. The bottom line (yellow) has a 5-s
time base. (Source: Hubber & Lu)

Cornell University students Sean Hubber and Crystal Lu built an Arduino-based electrocardiography (ECG) system that enables them to view a heart’s waveform on a mini TV. The basic idea is straightforward: an Arduino Due converts a heartbeat waveform to an … Continue reading

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