Michael E Johnson – Medium

Michael E Johnson

Featured Book

Limitless Encounters Vol. 1

Limitless Encounters Vol. 1

173 Random Encounters in 17 Environments to expand any 5E campaign

2020

Andrew Hand, et al.

Andrew Hand, Benjamin Baer, et al.

Stories

Michael E Johnson

DIY Solar Powered Window Air Conditioner: Part 2, Redesign/Prototype

I’ve been building a solar powered Air Conditioner that can sit in a window and help take the edge off the heat in one of the rooms in my…

4 min read3 days ago

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DIY Solar Powered Window Air Conditioner: Part 2, Redesign/Prototype

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Michael E Johnson

Dreamcoat: Cosine Similarity using Bit Values (Part 1)

Complex floating point vectors can be (I hope to show) accurately represented by binary values converting each floating point number down…

7 min readMar 28, 2024

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Dreamcoat: Cosine Similarity using Bit Values (Part 1)

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Michael E Johnson

VSDB: My Experiments with Vectorspaces

Anyone familiar with the LLMs and “retrieval augmented generation” (RAG) probably knows how vectorspace engines are used now as a way to…

7 min readMar 26, 2024

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VSDB: My Experiments with Vectorspaces

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Michael E Johnson

Nixtamalizing Millet for Corn-Free Tortillas, First Attempt.

Nixtamalization is an food preparation method invented by indigenous peoples in the Americas that increases the nutritional value of foods…

7 min readDec 11, 2023

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Nixtamalizing Millet for Corn-Free Tortillas, First Attempt.

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Michael E Johnson

Penny For Your Thoughts: Electrolytic Neural Nets, Part 5

There’s been some exciting development in solid-state and discrete neural networks based on solid state memristors. In 2023, a paper was…

5 min readNov 9, 2023

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Penny For Your Thoughts: Electrolytic Neural Nets, Part 5

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Michael E Johnson

Inkwell Battery Update 2023: Progress

2023 has been a big year for the inkwell battery. Book writing continues, and I’ve been steadily improving my construction techniques to…

5 min readNov 7, 2023

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Inkwell Battery Update 2023: Progress

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Michael E Johnson

DIY appliance backup power from repurposed 48v power tools.

I dearly love my Snapper 48v mower and power tools, but they don’t offer an inverter that can run off them like some other power tool…

9 min readSep 24, 2023

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DIY appliance backup power from repurposed 48v power tools.

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Michael E Johnson

Super cheap DIY air filter to deal with the wildfire smoke.

Smoke from the Canadian wildfires has gotten really bad this year. Luckily, there’s a cheap and readily available way to filter the air in…

3 min readJun 28, 2023

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Super cheap DIY air filter to deal with the wildfire smoke.

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Michael E Johnson

DIY Solar Powered Window Air Conditioner: Part 1, Design/Parts/Prototype

Cooling and water harvesting will become exceedingly important in coming decades, so it’s imperative we start using ambient energy to do s…

9 min readJun 16, 2023

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5

DIY Solar Powered Window Air Conditioner: Part 1, Design/Parts/Prototype

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5

Michael E Johnson

LED Toggle Switch: From Learning About Debounce to Prototype to PCB.

Walkthrough for a PCB that allows us to toggle an LED with a satisfying “click” from prototype to fully manufactured PCB using a PB86…

12 min readMay 19, 2023

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1

LED Toggle Switch: From Learning About Debounce to Prototype to PCB.

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1

Michael E Johnson

Michael E Johnson

Book Author

Inventor building an iron-based battery for the one billion humans living without access to light once the sun goes down. www.bigattichouse.com

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