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 …

Continue reading

Single input, multiple output power source for a variety of needs

Sometimes you have a need to power a few devices while using your Arduino. For me, this situation arose when I was building my 8mm film scanner. I have to power the Arduino, a light source, and the Canon IXUS 95 camera I use to shoot the pictures. In theory …

Continue reading

Assembling a CoLiDo DIY 3D printer, part 1

As most of you know, I am not an engineer, despite my lofty ambitions of tinkering with all sorts of things. So, the other day Jouko Lehtomäki from Suomen 3D-ratkaisut, the partner company of my university Haaga-Helia, brought us a brand new CoLiDo DIY printer in a crate. He said it’d be …

Continue reading