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marcoreps

marcoreps

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marcoreps posts

A bit of a false impression of Germany

I suggested to send one of the LoRa nodes flying with helium balloons. The Chinese developer didn't think that was such a good idea tho.

Had a good laugh at the thought of a fighter jet squadron buz...

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Embedded LEDs in a flexible 3D print

Last minute Reddit Secret Santa gift for a dog owner: 3D printed flexible LED collar

Besides the LEDs there's also a battery and a charge controller embedded in the infill structure. I've just pause...

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Censoring makes this especially exciting

Maybe it's just a Keithley T-shirt (which would be awesome come to think of it ... ) or maybe it's a huge 50" touch screen scope like the one that Applied Science used recently?

We may never know be...

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Monthly payment schedule Act 3

Alright, the vote ended in favor of switching to the monthly payment schedule.

To everyone and to those, who voted against it especially, I wanted to say again, that I appreciate your support a ton....

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IoT stuff is usually scoffed at but ...

... when a thing has kilometers of wireless range and years of battery life, that might change?


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Poll: Monthly payment schedule

 

My last question about this was purely based on a private message I got from a new patron. What a weird coincidence, that the day after that a rearrangement of Patreon, Inc. fees were announc...

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Now this ... this is one sexy stepper motor

I think general purpose cnc machines don't need encoder feedback, because step loss is almost always audible. But since I am still pursuing my ideal-machine-agenda, I think I'll use these hybrid stepp...

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For the holidays

Since I still didn't manage to get a newer source measure unit I wanted to try and DIY one soon. With modern components I think it isn't nearly as difficult as older Keithley gear makes it look. Also ...

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Something bigger?

Friend of mine has a large ISO container and wants to equip it with a lot of electronics: Battery, Lights, Surveillance, door locking, global GPS tracking and remote control ...

Would that be intere...

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Can't be that expensive, amiright?

500 x 500 mm precision ground steel plate with 400 M3 threaded holes?

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Keithley 2001 precision multimeter repair


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Have signed up for Reddits Secret Santa

and indicated a preference for broken electronics, lets see what happens ...

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3D printing time lapse thingy

Attached a full HD USB camera to an old bendable work lamp and a Raspberry Pi to its clamp base.

Surprisingly handy! Very susceptible to vibration tho ...

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Couldn't resist

Discount broken mic, not the best brand even when working, but the enclosure is very nice and better capsules, pre-amps  can be fitted ...

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Weird German presentation I've been to: C64 Porn


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Early 2013 footage

I already knew precisely what I wanted, but not how to take a good video at the same time :)

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Casually Laser-Exposing 0.2 mm PCB features on a 3D printer


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PCB Laser progress: .2 mm traces, 0402 and QFN24 footprints

With pretty high speed too, as can be seen by the squiggly lines. Those are from vibrations after a fast deceleration.

And with almost no fine-tuning, as can be seen by the 'leftovers' in between so...

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Tiny distraction on the way to the new laser video

405 nm 300 mW laser on a Cetus 3D printer

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Another cheaposcope to set the stage ...


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Not even my new R&S scope has this feature

A real brushless gimbal stabilizer  :)

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I wonder if this is a fun job

Involves a lot of climbing I guess, but apart from that it looks like fun ...

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A closer look at those upcoming project parts


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Raunchy gadgets extravaganza

As promised, a whole video about cheap Chinese gadgets! Not a publication I am proud of, but the old 'free toys' argument is hard to beat ...

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Brushless Electric Bike Kit + Teardown + Mod


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Schedule + new end screen

Hello, friends!

I just noticed, that you have already reached my 100$ goal, for which I am most grateful. In return I have promised a schedule, but that may have been a silly idea, because I am alre...

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Can a motor be too powerful?


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Yeh, why not ...


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Sexy brushless motor and huge roller bearing

Very well hidden inside the iMortor ebike wheel

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My first one ever


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