Accelerometer, that tiny workhorse

Accelerometers are wondrous little devices that offer boundless possibilities… as soon as you figure out a need for them. For some time now, I have been thinking about a filament break detector for 3D printing. Filament comes in spools of 400m (1 kilogram) and they are usually hung on racks …

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New, improved 3D Lab at Haaga-Helia

Hello again, and all the best for 2017 to all my readers! Just before Christmas, Haaga-Helia University of Applied Sciences and Suomen 3D-ratkaisut Oy (an importer of 3D printers) entered into a partnership. It stipulates that the University will get five printers and an amount of filament every year, and …

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A lecture on 3D and my University

Last Monday, October 24, I had a public lecture at the Auditorium of Haaga-Helia University of Applied Sciences, where I teach IT. Some 30 students showed up at the Auditorium, and because I had requests from our other campuses for recording, I asked the IT Support to do that. This …

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The 8mm film scanner (Telecine) project, part 5 – Programming

Last time, in Part 4, I described how the Arduino is wired with the two servos, two switches, and the hacked Canon camera. Now, it’s time to pass through the code of the Arduino and show you how easy it actually is to get the Arduino to power your projects. This flowchart …

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The 8mm film scanner (Telecine) project, part 3 – Printed parts

Now it’s time to see the parts that I had to print to make this thing work. The list is as follows: Camera horizontal mount Camera horizontal roller Camera cradle Film gate mount and servo clamp Film gate clamp, gate fastener, and film gate switch mount Film gate desk clamp Battery box …

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