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Friends, I’m Not OK

April 28, 2020August 26, 2020

Friends, I’m not ok, and this is a call for help. I’m not in danger, and I’m not thinking about hurting anyone or myself. For a long time I’ve been depressed, though the optimist in me always found reasons that it wasn’t depression and that it would just be ok once ___ was over. But…

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Professional Ventilator Design Open Sourced Today By Medtronic

March 30, 2020August 26, 2020

Medical device company Medtronic released designs for one of their ventilators to open source for use in the COVID-19 pandemic. This is a laudable action, and there is plenty to glean from the specs (notable is that the planned release is incomplete as of this writing, so more info is on the way). Some initial reactions: medical…

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Ventilators 101: What They Do and How They Work

March 25, 2020August 26, 2020

Treating the most serious cases of COVID-19 calls for the use of ventilators. We’ve all heard this, and also that there is a shortage of these devices. But there is not one single type of ventilator, and that type of machine is not the only option when it comes to assisted breathing being used in…

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Nerd Nite Madison 063 – The Other Side of the Buy Box

March 15, 2020August 26, 2020

In January 2019 I gave a presentation at Nerd Nite about my experience selling Wacky Dancers on Amazon. There’s no video, but someone recorded audio. I finally got around to syncing it with my slides, so if you didn’t get to see it then, here’s as close a chance as you’ll get. Also, an update…

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It’s the time to disco – reception video

February 21, 2020August 26, 2020

At our reception in August 2019 we commissioned a choreographed bollywood dance number, then had a few classes and trained a bunch of people to do it. Here’s the video of the final result:

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DNA Now Stands for Data and Knowledge Accumulation

February 18, 2020August 26, 2020

Technology frequently looks at nature to make improvements in efficiency, and we may be nearing a new breakthrough in copying how nature stores data. Maybe some day your thumb drive will be your actual thumb. The entire works of Shakespeare could be stored in an infinite number of monkeys. DNA could become a data storage…

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New Year Habits – What Do You Do For Data Storage?

January 20, 2020August 26, 2020

2020 is a year of reflection and avoiding regret, and one of the biggest practices we all know we should do better is back up our data. Inevitably there will be a corruption or accident, and we mourn the loss of some valuable data and vow to never let it happen again, and then promptly…

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Parallel Pis for Production Programming; Cutting Minutes and Dollars Off of Assembly

December 30, 2019August 26, 2020

Assembly lines for electronics products are complicated beasts, often composed of many custom tools and fixtures. Typically a microcontroller must be programmed with firmware, and the circuit board tested before assembly into the enclosure, followed by functional testing afterwards before putting it in a box. These test platforms can be very expensive, easily into the…

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Holiday Cards 2019

December 23, 2019August 26, 2020

Our holiday cards for this year. Front: Back:

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Optical Keyboards Have Us Examining Typing at Light Speed-ish

November 18, 2019August 26, 2020

There’s a newish development in the world of keyboards; the optical switch. It’s been around for a couple years in desktop keyboards, and recently became available on a laptop keyboard as well. These are not replacements for your standard $7 keyboard with rubber membrane switches intended for puttering around on your raspberry pi. Their goal…

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Bob Baddeley

I am a computer engineer experienced in developing products from proof of concept through mass production. I want to have a positive impact on the world.

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