Mark Frederick

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Mark Frederick

Mark Frederick

@mpfrederick

I drink coffee and build high tech embedded systems. I'm the CTO at MākuSafe - making the world safer through technology and data.

Iowa, USA Присоединился Haziran 2009
1.2K Подписки397 Подписчики
Mark Frederick ретвитнул
Mustafa
Mustafa@oprydai·
build a home lab. not for aesthetics. not for content. for capability. → a table becomes a workstation → a room becomes a systems environment → your house becomes a prototype factory start minimal: → power supply → multimeter → soldering iron → breadboards + wires → a microcontroller (arduino / esp32) this is enough to: → read signals → control hardware → break things and understand why then layer complexity: → sensors (imu, gps, cameras) → motors (dc, servo, stepper) → embedded compute (raspberry pi) → fabrication (3d printer, cnc) now you are not learning. you are building systems. home lab changes the feedback loop: idea → build → fail → debug → rebuild no permission. no waiting. no abstraction. software alone lies to you. hardware forces truth. you will: → miswire circuits → burn components → chase noise in signals → debug at 3am good. this is where intuition forms. over time: → your lab becomes organized chaos → parts turn into modules → modules turn into systems → systems turn into products this is how engineers are made. not courses. not certificates. iterations in a room full of tools.
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Mustafa@oprydai·
if you don't have a home-lab you are ngmi
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Mark Frederick
Mark Frederick@mpfrederick·
@cherry_takuan I have a Sony Texteonix 318 and I love it! Such an amazing piece of digital computing equipment!!! Great work!
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ちぇりーたくあん🌸
ちぇりーたくあん🌸@cherry_takuan·
スペース聞いてたらロジックic触りたい衝動に駆られたので、先日いただいたES品のNANDをインバータ動作させてみた 500kHzで問題なく動作 計測に使ったLogic analyzer 318はこの子とほぼ同い年かわいい
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Mark Frederick ретвитнул
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Sokol@sokol_cc·
Macro shot of Hewlett-Packard 5082-7101, a vintage solid-state alphanumeric LED display module from the early 1970s. It’s part of HP’s 5082-7100 series of GaAsP LED displays, designed for rugged, IC-compatible applications like calculators, computers, military/aerospace equipment, and portable devices. It can be your wallpaper now
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Mark Frederick
Mark Frederick@mpfrederick·
@MehdiHacks I use long mountable power strips next to wire raceways. Then drill holes and 3D print through hole grommets to route wires onto my workspace. Hope that inspires you to come up with something even better!
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Mehdi
Mehdi@MehdiHacks·
Guys who have labs/workshops: how do you manage cables? Please share tips/pictures. I have 30 devices connected to mains in my room, and I expect to add a few more. It's a big mess. Would like to learn from your setup and experience.
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Mark Frederick
Mark Frederick@mpfrederick·
@oldestasian Wait - is that flat gray or white? I really like that color…
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Andy Kong
Andy Kong@oldestasian·
something new
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ちぇりーたくあん🌸
ちぇりーたくあん🌸@cherry_takuan·
NANDだけで作った自作CPUについにプリンタがついた!! ただバーコードを印刷しようと格闘したが、PCから普通に操作しても印刷できないのでそもそもコマンドに対応していない可能性がある あとカタカナ漢字は設定をしても謎中国語になって読めぬ #only7400
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Mark Frederick
Mark Frederick@mpfrederick·
@Sarahhuniverse More impressive is that he’s wearing a Nowthen Threshing Show T-shirt. My childhood is wrapped up in that town. Love this for that reason more than anything!
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Sarahh@Sarahhuniverse·
Jeff Dabe, a Minnesota man, is known for his exceptionally large hands and arms. He's an arm wrestling champion and has been nicknamed "Popeye". Dabe's forearms measure 20 inches in circumference, and his ring finger is 5 inches around. © amazingfacts
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Mark Frederick
Mark Frederick@mpfrederick·
@EndWokeness I took a flight from JFK to London on a United flight - I’m basically the same as Charles Lindbergh… 🙄
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End Wokeness
End Wokeness@EndWokeness·
"Why am I different than Alan Shepard?"
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End Wokeness@EndWokeness·
Gayle King wants to be treated like a real astronaut: "Nobody calls it a ride if male astronauts goes to space"
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Mark Frederick
Mark Frederick@mpfrederick·
@dieworkwear @dieworkwear - I have a tremendous respect for you and how you contribute to the public discourse. I’m curious about your position on “how” we produce clothing? For example, is there an opportunity to lessen labor requirements by leveraging more advanced automation in the US?
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derek guy
derek guy@dieworkwear·
I'm curious what you propose to fill US garment factories with native-born people. I support unions and abolishing piecerate work. Yet, even when the garment industry had these in place, the work of garment manufacturing was largely done by immigrants—German, Italian, Polish, etc
Sohrab Ahmari@SohrabAhmari

This guy is an icon for today’s progressives. “Heh,” he sneers, “American workers won’t accept serf-like conditions!” Yes, that’s why, for most of its history, the labor movement and civil-rights leaders like Cesar Chavez and A. Philip Randolph opposed mass low-wage migration.

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ArchaeoHistories
ArchaeoHistories@histories_arch·
The mobile phone, invented by Martin Cooper in 1973, was a groundbreaking innovation that transformed the way people communicate. Cooper, an engineer at Motorola, is credited with making the world’s first public mobile phone call on April 3, 1973, using a prototype known as the Motorola DynaTAC. This early mobile phone was large, bulky, and heavy about 10 inches tall and weighing around 2.5 pounds, but it represented a revolutionary step forward in wireless communication. Cooper’s goal was to create a device that allowed people to communicate anywhere, without the constraints of traditional landline telephones. The first mobile phone call was made from a New York City street, where Cooper called his rival at AT&T, demonstrating the phone's ability to connect wirelessly and instantly, a significant leap from the stationary phones that had previously been the norm. The Motorola DynaTAC took nearly a decade to become commercially available with first models reaching consumers in 1983. Despite its large size and high cost (around $3,500), the mobile phone quickly gained attention, leading to the widespread development of mobile networks and more compact, affordable devices over the following decades. Cooper’s invention of the mobile phone laid the foundation for the modern smartphone and the entire wireless communication industry, which today includes billions of users worldwide. His vision of a portable, wireless communication device fundamentally changed the way people connect, access information, and even navigate the world. Today’s smartphones, which have far more computing power and functionality than early mobile phones, are integral to daily life, and Cooper’s pioneering work remains one of the most influential technological advances of 20th Century. #archaeohistories
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Sokol@sokol_cc·
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Sokol@sokol_cc·
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Matt
Matt@mattganis·
I work in pleasantville for a reason !!! ⁦@ProsperoWinery
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Mark Frederick
Mark Frederick@mpfrederick·
@mattganis @ProsperoWinery Thanks for asking! All is good. Kids are growing up and we are grandparents now - hard to believe! Trusting all is well with you! Let’s have virtual coffee sometime - I would really enjoy that Matt! 😊👍
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Matt
Matt@mattganis·
@mpfrederick @ProsperoWinery Of course …. It’s grill season, so a burger and a glass of red wine! How have you been my friend ?
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Matty
Matty@matty_323·
@mpfrederick @RiverRatOG @whazzhat @GichuhoMungai @elonmusk They are YOUR best teams People you have hired or worked with on a daily basis. You have projects together. Yes. YOU Not a twenty something band of DogeFratBros who know nothing about your team, tasks, projects. Do you always compare apples to Lego?
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Elon Musk
Elon Musk@elonmusk·
A large number of good responses have been received already. These are the people who should be considered for promotion.
Elon Musk@elonmusk

Consistent with President @realDonaldTrump’s instructions, all federal employees will shortly receive an email requesting to understand what they got done last week. Failure to respond will be taken as a resignation.

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Mark Frederick
Mark Frederick@mpfrederick·
@matty_323 @RiverRatOG @whazzhat @GichuhoMungai @elonmusk Hi Matty - my experience is high performing teams have a solid understanding of activities and have high levels of accountability. Asking someone to articulate their work after 40 hours isn’t unreasonable. My best teams have meetings to review this type of accountability weekly.
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Matty
Matty@matty_323·
@RiverRatOG @whazzhat @GichuhoMungai @elonmusk Jennifer do you even know what their job is? Their tasks? Targets? Weekly performance indicators? No. Neither does Elon This exercise is not logical
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Mark Frederick ретвитнул
Andrew McCarthy
Andrew McCarthy@AJamesMcCarthy·
Yesterday afternoon I captured a fleeting moment- the moment the ISS transited the moon. Despite being broad daylight, the ISS was clearly visible against the cratered terrain. I captured it in conjunction with the lunar south pole where astronauts will soon return.
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Mark Frederick
Mark Frederick@mpfrederick·
@sokol_cc Left. Amber CRT and retro industrial sci-fi vibe has got me! Both are fabulous!
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Sokol
Sokol@sokol_cc·
Left or right?
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