Category Archives: DIY

Ebay DB25 Arduino Nano grbl Adapters

A second consecutive CNC post, because I haven’t had time to write up long-form posts for months, and something requiring documentation came up today. While I’m still quite happy with LinuxCNC (especially since I discovered NativeCAM), my adviser bought himself … Continue reading

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3040Z CNC Router

I’ve been fascinated with machine tools and mechatronics for well over a decade, and have been indulging that fascination with a series of little benchtop CNC machines since about 2008, especially since my collection of related degrees lend legitimacy to … Continue reading

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Makergear M2 Upgrades

The lab Makergear M2’s heated bed power supply died a few weeks ago, so we decided it was time for a serious upgrade, and set out to equip it with basically the best parts currently on the market, as we’re … Continue reading

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Macintosh LC Recap

I’ve done some invasive repairs on the Macintosh LC from my small fleet of vintage computers. I figure it’s worth writing up because there is a lack of detailed information about this kind of work on the ‘net.

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Breaking In to your Own Devices

I gave an informal talk for the IEEE student branch about breaking in to your own devices this evening. I did the low-postable-content notes with live examples and links thing, but at least one person wanted to watch the video … Continue reading

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RFID Exploration

I recently picked up a USB RFID reader/writer pod to play with, partly to learn enough to be dangerous about the tech, and partly hoping to tamper with the RFIDs in the current university ID cards. I’m pretty sure I … Continue reading

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New Chorder

I’ve been playing with chorded input devices for years, and got the itch again recently.

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3D Printing KC Talk

I gave a quick primer on 3D printing as a Keeping Current (CS departmental) seminar yesterday. It’s not a great standalone deck but posted (in reduced quality, gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=/path/to/output.pdf /path/to/input.pdf is good magic). It … Continue reading

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Lab Fridge Repair: Thinking with 3D Printing

I’m posting this because it’s such a nice example for the standard “What are 3D printers really good for?” question. When I got to the lab today, I was told the can chute in our mini-fridge was broken. Inspection showed … Continue reading

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T510 Touchpad Resurfacing

I found a forum.thinkpads thread while looking into another touchpad issue recently, and learned two important facts: The bumpy touchpad texture I never loved that had worn off my T510 is just a sticker. Those stickers are replaceable.

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