Blog Archives

Immersion Heating with a Vacuum Tube

Recently I was doing some woodworking and wanted to try fuming a small test piece of oak with ammonia. The fuming process darkens the wood and gives it a nice aged, gray look. To speed the process up, I decided

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Posted in Projects

Luma Controller Development

The Luma Controller takes any audio input, calculates and analyzes a FFT of the spectrum, and sends commands out to a network of Luma nodes. This board duplicates the functionality of our music analysis software, but with greater flexibility and

Posted in MNL, Projects

BeagleBone Black Soft Power-Off

The BeagleBone Black is an ARM-based device and doesn’t have ACPI support like most x86 systems. ACPI generally handles triggering shutdown and other power management events on x86 systems, so this functionality is missing on the BeagleBone. We can easily

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Posted in Linux

DIY Vacuum Tube Amplifier

This past winter I designed and constructed a stereo vacuum tube amplifier based off of the TubeLab SimpleSE design. Since many people asked about it at Maker Faire Detroit, I thought I would post a link to the build photos

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Posted in Projects

Maker Faire Detroit

Thanks to everyone who came to check out our booth at Maker Faire Detroit this year! We will have some new posts on the blog about our new Luma lighting nodes, the Therm PID controller, and our thermal-printing photobooth in

Posted in Announcements

SSD1306 and Python with the BeagleBone Black

The SSD1306 is an OLED display made with SPI and I2C interfaces. With a simple Python library I adapted (a modified version of py-gaugette), it is easy to render text, images (from bitmaps of pretty much any format), progress bars,

Posted in BeagleBone Black, Linux, Projects, Python

Next-Generation Luma Nodes – Build Timelapse

The next iteration of the Luma node has been fabricated and assembled! The new node incorporates 3 10W RGBW LEDs, controlled with constant-current buck drivers and an ATTINY2313 microcontroller. Like all Luma nodes, up to 32 nodes can be daisy-chaned

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Posted in Announcements, MNL

Protofusion Arch Linux ARM Mirror

Protofusion now hosts an official mirror of Arch Linux ARM! The mirror is hosted on Protofusion’s main server, which is colocated in Dearborn, MI. Mirror selection is geoip-based, so if you use Arch Linux ARM in the Michigan/Ohio/Midwest, you’re probably

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Posted in Announcements

Installing WebVirtMgr on Arch Linux

WebVirtMgr is an awesome simple web interface for managing virtual machines on Linux. Unfortunately the installation process is not simple at all, and the documentation is a bit lacking. There are also a few issues which are documented only in

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Posted in Linux

Protofusion at Maker Faire Detroit

If you’re in the Detroit area this weekend, check out the Protofusion booth at Maker Faire Detroit! This year we will be indoors so all of our lighting will be much more visible. We’ll have our new Luma nodes up

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Posted in Announcements