iiinova — where your digital self keeps evolving

Keenan Johnson @keenanjohnson.com · 03/10/2026

Wild that I can hold a 30 v / 10 amp supply in my palm

Keenan Johnson @keenanjohnson.com · 03/10/2026

Got this little stack of super portable power supplies and electronic loads for a project. They been floating around my internet for a while but finally had a project that needed them.

Stack of miniware power supplies, e load and display.

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Keenan Johnson @keenanjohnson.com · 19/09/2026

It's not real cad if yu don't spend time spinning it around. This board is a bit goody as it uses huge connectors to ensure it can be hand soldered and is very high current.

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Keenan Johnson @keenanjohnson.com · 18/09/2026

I’ll be impressed with new software tools when this class of bug is fully solved and no one thinks of it anymore haha

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Keenan Johnson @keenanjohnson.com · 18/09/2026

Wishing all products I used came with such a concise and awesome info sheet like this:

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Keenan Johnson @keenanjohnson.com · 17/09/2026

Been working on this nice little easy to hand solder pcb for the seattle aquarium in between other harder EE projects for secret clients.

A pcb for controller some LEDs inside a watertight enclosure

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Keenan Johnson @keenanjohnson.com · 16/09/2026

I know a lot of people in the construction industry like this packout crates that can stack / unstack etc. I am currently thinking of something similiar. These are strong enough to protect a o-scope / some other somewhat fragile stuff and be easy enough to take around to client sites. etc

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Keenan Johnson @keenanjohnson.com · 14/09/2026

At this point of the pcb layout:

A grid of resistors and capacitors on a kicad pcb layout

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Keenan Johnson @keenanjohnson.com · 14/09/2026

Hoping the next macbook has an amphenol D38999 port

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Keenan Johnson @keenanjohnson.com · 08/09/2026

pcb people. I find myself generating this kind of connector callout doc all the time. I used to mark them up by hand all the time, but finally started making a little tool that can do it automatically. What do you think?

kicad pcb rendering with connector callouts

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Keenan Johnson @keenanjohnson.com · 05/09/2026

I love some of the google reviews that make no sense. “i can't really leave an accurate review. tried to enter this bar, the atmosphere looked cool, but the security guard was a pigeon and i just couldn't enter...????...”

Google review i can't really leave an accurate review. tried to enter this bar, the atmosphere looked cool, but the security guard was a pigeon and i just couldn't enter...????...

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Keenan Johnson @keenanjohnson.com · 25/08/2026

Please enjoy this photo of a duck wearing my headphones.

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Keenan Johnson @keenanjohnson.com · 21/08/2026

Ah there is nothing quite the same as pcb design. I've been doing more of that recently both for clients or for some open source work like the design I've shown. This design is open source, but a secret for now :)

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Keenan Johnson @keenanjohnson.com · 04/08/2026

Or this other weirdo where the whole thing seems to spin in a terrifying way:

A weird drone flying that is only rotors it seems.

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Keenan Johnson @keenanjohnson.com · 27/07/2026

Tried setting up my @sifa.id account in hopes that one day linkedin in it's current form can be dead. sifa.id/p/keenanjohn...

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Keenan Johnson @keenanjohnson.com · 24/07/2026

A friend sent me this and it truly describes the human condition in modern society

A meme showing a tabby cat wearing a small gray necktie, looking anxious, with a speech bubble that says “Hope nothing breaks today.” Behind the cat is a large industrial factory with smokestacks, labeled “Something breaks everyday factory” in white text on its wall.

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Keenan Johnson @keenanjohnson.com · 23/07/2026

Enjoy my first bluesky contribution yarr: piratesky.app

bluesky, but rendered as a piratesky app

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Keenan Johnson @keenanjohnson.com · 18/07/2026

Still working on my little sub game. Starting to dig into the sound design which is one of the parts I'm most excited to do.

Gameplay screenshot of my sub / ROV exploration game bloop.

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Keenan Johnson @keenanjohnson.com · 18/07/2026

I got this small heat pump to try and survive the summer heat wave in the bedroom. Seems to work great but extremely stupid control electronics. Should I open up and attempt an upgrade?

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Keenan Johnson @keenanjohnson.com · 12/07/2026

Decided to use one of those fancy github profile analyzer things for my public repos. I guess my most used public language is g-code lol. that's what I get for committing too many 3D files.

Screen shot of my github stats from https://github.com/keenanjohnson/

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Keenan Johnson @keenanjohnson.com · 11/07/2026

We’re all even at the half.

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Keenan Johnson @keenanjohnson.com · 11/07/2026

This is what the page looks like. It SHOULD update in real time with a comparison of the two big players

Comparison website of Haaland vs Kane for tonight’s World Cup match

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Keenan Johnson @keenanjohnson.com · 08/07/2026

More convinced than ever that bollard simulator could be a great game:

mockup of bollard simulator choosing different bollard types

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Keenan Johnson @keenanjohnson.com · 06/07/2026

I love streaming real, human radio stations. I'm also an electronic nerd and spend lots of time in the terminal, so I built a little program to stream one of my favorites: rinse in the terminal. Check it out here and install it via homebrew if you'd like. github.com/keenanjohnso...

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Keenan Johnson @keenanjohnson.com · 04/07/2026

Anyone need the IP address of this bus stop?

Bus stop sign disconnected and showing IP address

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Keenan Johnson @keenanjohnson.com · 04/07/2026

American Society at this moment:

Warning sign of Spontaneous Combustion Risk

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Keenan Johnson @keenanjohnson.com · 02/07/2026

In my conservation work, I spend an incredible amount of time looking at pictures of crabs and kelp like this:

An image of a crab grabbing a tape measure underwater. The left is a raw image from the camera. The right is enhanced.

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Keenan Johnson @keenanjohnson.com · 01/07/2026

See the real estate vending machine today

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Keenan Johnson @keenanjohnson.com · 27/06/2026

Just spending some time animating my 3D pixel fish

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Keenan Johnson @keenanjohnson.com · 21/06/2026

I'm playing around with generating ship wrecks and terrain from real survey data which is fairly accessible and free. What do you think. does this make the game feel more / real / fun?

A shipwreck generated from real ocean survey data seen from my game prototype bloop.quest

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Keenan Johnson @keenanjohnson.com · 16/06/2026

New game update, now supporting ROV names:

My ROV underwater game showing floating player name cards

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Keenan Johnson @keenanjohnson.com · 11/06/2026

Some basic progress on a little sonar HUD today for bloop.quest.

New screenshot of bloop.quest with a small HUD / Sonar thingy

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Keenan Johnson @keenanjohnson.com · 08/06/2026

The multiplayer is going to be really fun

Screenshot of a low-poly underwater exploration game. A yellow boxy submarine ROV is viewed from behind on the seafloor, connected by a tether cable. Two smaller blue ROVs shine spotlight beams nearby. A HUD shows depth 21.2 m and heading 187° S, with control hints along the bottom."

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Keenan Johnson @keenanjohnson.com · 08/06/2026

I made a little online multiplayer game inspired by my recent underwater robotics work. You can pilot a little ROV around the ocean, explore shipwrecks, take photos and categorize fish and things. It's multiplayer and I'm thinking of having treasure hunts, etc. Should I ship it? Would you play?

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Keenan Johnson @keenanjohnson.com · 28/05/2026

I have the (mis-?) fortune to have some possessions in a storage unit during a transitional period in life. Figuring out where things are in the unit is somewhat annoying, so I built a little web app to viz where things are with search etc. Is this just a me problem or anyone else?

A web app visualizing where things in a storage unit are

A web app demo showing how the search highlights a box.

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Keenan Johnson @keenanjohnson.com · 26/05/2026

Good luck to all the students traveling to University Rover Challenge (URC) this week! Building a robot on a budget with a bunch of friends and then constantly rebuilding it inside of random hotel rooms is certainly a peak university memory for me.

Me commanding a mars rover inside a trailer

Me looking at a bunch of electronics figuring out what's broken inside a hotel room.

Me looking serious commanding a mars rover

A team of students holding up a mars rover in the utah desert.

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Keenan Johnson @keenanjohnson.com · 25/05/2026

One of my favorite things is taking pictures of subtly unhinged street signs. Like this one where the person stands pondering his fate above the potentially deep water. He’s not actually in danger yet, just pondering that he could be, just like you the reader of the sign

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