Pinned Tweet
I developed a quadcopter with a custom flight controller, programmed in Python (@micropython), that can efficiently run on a $4 @Raspberry_Pi Pico microcontroller!

Check it out: github.com/TimHanewich/Ce…
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3x the range with only a strand of wire!

The value of a ground plane.
About $0.02 of wire tripled the range in today's Centauri radio test!

I'd been puzzled by the limited range of my homebuilt drone's radio link. Turns out the antenna's ground plane deserved a closer look.

Here's what I tried!
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Replying to @TimHanewich
@tt12514 You may recall the range issues I was having. I think this may have been the bulk of the problem: no sufficient ground plane!
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We encouraged people to spend years becoming experts. Now AI is changing the value of that expertise.

"Just adapt" misses the human emotion. Progress and empathy must coexist.

timhanewich.medium.com/disappearing-m…
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A high level look at how the pilot's transmitter works.
An Xbox controller, a laptop, and a radio. That's how you pilot Centauri!

Centauri is our open-source quadcopter ecosystem for learning how drones work. Over four weeks, we'll introduce its four main components.

First up: the transmitter.

🧵 1/5
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Small changes add up
Some updates for the Transmitter program are now live!

#1 = State of Charge estimator, which is then used to estimate the flight time remaining.

🧵
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Tim Hanewich retweeted
Centauri quadcopter v2 is now live!

GitHub repo fully up to date with the newest version, PCB tested and available for sale, and 3D-printed parts library updated!

github.com/TimHanewich/ce…
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AI is washing away the expertise many people spent years building.

What happens when our competitive advantages become a prompt away?

My latest article, Disappearing Moats:

timhanewich.medium.com/disappearing-m…
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Tim Hanewich retweeted
Hi, I'm Tim! I built a quadcopter from scratch and created Full Stack Flight to share what I learned.

If you're curious about the engineering involved in making a drone fly, you're in the right place!
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The maiden flight of Centauri v2.

Passed with flying colors!

fullstackflight.com
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Some interesting numbers comparing Centauri with a DJI Mini.

fullstackflight.com
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Any guesses on what I'm doing?

Accelerometer calibration!
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Beauty 😍
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Minor upgrade to Centauti's airframe.

Arm now has a "U" cut, no longer a "O" cut, allowing wires to pass through. Much easier to swap out a broken arm!
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Some more test flying from yesterday. Putting this new onboard PCB through some more flight time for durability testing.

fullstackflight.com
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The Roadster they brought out on stage was not the "rocket" variant, just the normal road car with suction fans.
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I tried creating a PCB for the first time and it worked on the first go!
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Tim Hanewich retweeted
Please resist the urge to mock the mathematicians struggling through this moment. Whatever your field, your expertise, your passion, you too shall one day experience what they are going through. And when you remember your words, you will feel remorse.
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Final chapter of Full Stack Flight! Building your own quadcopter costs more than buying one, that's where the learning is. What's next: better angle estimation, new flight modes, and a custom PCB.

medium.com/@timhanewich/f…

#FullStackFlight
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The Centauri PCB works!!! First flight day, a big success 🥳
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Tough day. Completed assembly of Centauri v2 only to have the rear left ESC malfunction. It may have burned up during assembly (too much exposure to soldering iron?)
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