Low cost, low impact queue monitoring system

I’ve been fooling around with ESP32s and a bunch of sensors lately, as you may have seen from my previous posts. To actually provide something worthwhile, it occurred to me to try and build a system that could monitor the canteen queue, and tell the students what the situation is …

Continue reading

8mm Film Scanner, final version with Canon 1000D

Some of you may have followed the saga of the 8mm scanner I built, using an Arduino and a Canon IXUS95 with 3D printed parts. It worked fine, and produced results that were entirely satisfactory, to a point. I first used a 10X macro lens intended for mobile phones to …

Continue reading

How to enter the Internet of Things

or, bumbling your way into IoT The Internet of Things is currently on everyone’s lips. It’s the facilitator par excellence, the solver of all problems, the liquidator of all costs and the divine messenger of communications to and from devices. Or, it is an extra sinkhole of money and effort, …

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

Fantastic tool for metal printing

I recently had the pleasure of visiting Thrinno, a Belgian company based in Ghent. Thrinno is working on a cloud-based system that enables companies with 3D metal printing needs to assess the print process virtually, find the best orientation for printing, and most importantly, get a quote on the price …

Continue reading