Evan Desjardins

3D Printed Radio Knobs

A few select Toronto Public Library branches feature ‘Digital Innovation Hubs’ which are equipped with some interesting technology, including Makerbot Replicator 3D printers available for public use. When these machines debuted at the Toronto Reference Library in 2014, I booked myself into the first orientation class I could. (TPL requires anyone interested in using the machines to attend a free clinic to get familiar with the technology.) It took me a while but I finally … Read the rest “3D Printed Radio Knobs”

Gyraf G9

This was my first big project with the training wheels off, meaning no comprehensive build guides, no parts kits, no official support. This was also my first foray into vacuum tubes and high voltages so I made the decision to move slowly and work methodically. The result was a pair of transparent and flexible vacuum tube preamps that worked nearly perfectly the first time I powered them on (nervously, fire extinguisher in hand).

How does … Read the rest “Gyraf G9”