Young maker and Arduino enthusiast Nikodem Bartnik has created a fantastic Arduino CNC machine by converting a Dremel cutting tool and using a selection of 3D printed parts and aluminium profiles.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...