BenchTalk

- August 27, 2013

When not busy with EDN, I try to get up to interesting adventures in the lab. Join me for some hardcore hardware, a hint of firmware, and any other rambles and rants that may turn up.

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Nixie clock: Tearup

  • 10.12.2017

Enjoy this photo essay of a Nixie clock build, and a look at the design. Read More...

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Ternary DAC: Greater resolution, less bits

  • 10.02.2017

A base-3 DAC? Sacre bleu! Read More...

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Sziklai transistors: What’s that?

  • 09.12.2017

There are many ways to connect two transistors, not all useful. Here’s one useful way you may never have encountered before. Read More...

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Beware the TO-220

  • 09.06.2017

“When is a TO-220 not a TO-220?” is your Zen exercise today. Take care this package variation doesn’t bite you. Read More...

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Chinese PCB shop spam is a thing

  • 08.18.2017

I try to fool the PCB spammers, but they get the last laugh. And… Rev. 2 of my powered speaker. Read More...

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Whipping a cheap LED PSU into usable shape

  • 08.16.2017

You get what you pay for, and sometimes not even that, but even a cheap Chinese PSU can be improved with some judicious tinkering. Read More...

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Old wine in new glass ID system

  • 08.14.2017

Keeping track of your glass, or, finding new uses for old components. Read More...

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Simple trick lets you see your parts

  • 07.12.2017

Here’s a funny little trick that will make almost-invisible part numbers printed on component packages visible. Read More...

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Happy 150th Canada: The Companies

  • 06.30.2017

It’s the week leading up to Canada’s sesquicentennial, so join me in this celebration of the Canadian tech landscape. To end the series, read about some of the companies that have put Canada on the tech map. Read More...

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Happy 150th Canada: The Institutions

  • 06.29.2017

To celebrate Canada’s sesquicentennial, here’s a look at our technical institutions of note, including universities and museums. Read More...

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