salvagedcircuit

The 1990s were home to manual tuning radios, Polaroid 600 film, Microsoft Bob and the never ending audible onslaught of manufactured boy bands - not necessarily reliable and easy to use CNC milling machines! This is a guide on how to make a very sad servo

I stumbled across a broken Sigma 45mm f/2.8 Art lens for a very cool $58.65 USD that I simply could not resist. I've been eyeing an AF lens in the 50mm range for my recent endeavors with L-mount cameras and this looked like the perfect fit. This lens is c

I could not resist saving a 1970s tape deck from its ultimate demise in the e-waste bins. I simply couldn't get over the build quality of this piece of machinery. This is a quick teardown revealing the assembly methods and construction of a Norwegian made

Repair of an '89 HP oscilloscope to factory calibration. Originally recovered from an e-waste bin while I was attending my Alma mater. This repair entails replacing the CMOS clock chip by soldering in female pin headers and sourcing a replacement. Calibra

This is an accurate CAD model of the 27w Round LED Work Light 30 Degree Spot Light, available on amazon for $10 each. It is an inexpensive LED unit which is decently constructed and moderately weather sealed. I have seen these used on everything from Jeep

Have you ever lusted after a brighter lens for your camera, but couldn't quite afford it? Here is an all-inclusive guide to adapt an old scientific/TV lens to the Micro Four Thirds mount. Don't have a spare Micro Four Thirds mount? No problem! This guide

Ever wanted to make your own weird and oddball lenses for your camera? Tired of using Duct tape and cardboard tubes to make DIY optical assemblies? This guide includes the CAD, technical drawings and renderings of the Micro Four Thirds mount so you can ke

Sometimes you just want to go fast. Well, at least faster. This project involves upgrading a once under powered recreational electric scooter into a full-fledged transportation machine. Using custom batteries, modified controllers and a bit of electromech

I built what would become my showcase scooter, featuring everything and the kitchen sink. I stuffed the battery cavity full of electronics, pushed the drive mechanics a bit too hard and broke far too many items to remember. I applied everything I learned

Growing tired of the skipping keys on my worn out Dell multimedia keyboard, I needed a suitable alternative. I checked out the Microsoft Surface Studio a few months back and really enjoyed using the included keyboard, so I figured I would start there. I e