Electronics hobby blog
Build a 3D printer - Part 1: Inventory
ezContents 5 January 2017
Reprap is a very popular Open Source 3D printer. The idea of this project is of a self replicating machine that can create copies of itself. So when you want to build your own 3D printer, the first thing is to get a set of 3D printed parts. It is a good idea to dive into the RepRap community and get to know people that can help you acquire them.
Programming ATmega328P Barebone
ezContents 1 January 2017
An undertaken electronic project does not always need a dedicated Arduino board. Sometimes it is sufficient to use separate Atmel ATmega328P chip and add some parts around it to make it work.
LM3915 VU Meter
ezContents 26 December 2016
Visualisation of sound gives an extra dimension in the experience of music. The LM3915 chip makes it possible to easily create a circuit that can accomplish this task.
3D printed USB arcade joystick enclosure
ezContents 11 December 2016
Important part in an electronic project is creating an enclosure for the parts. Without it, it is simply not finished. Luckily we now have 3D design software and 3D printers which are perfectly suited for the job.
USB arcade joystick
ezContents 9 December 2016
Playing games on emulators is usually bound to using arrow keys on the computer keyboard or an analog PC joypad. This ruins all the fun. The right way to do this is of course using a real arcade joystick
Amiga floppy disk drive emulator
ezContents 8 December 2016
Gotek floppy disk emulator can not be used on an Amiga computer without modding it. Luckily it is not hard to change the firmware on the device to be able to boot ADF images from an USB drive.
Restoration of Amiga 500
ezContents 8 December 2016
After I have bought this Amiga 500 computer, the cover was in very bad shape. The previous owner tried to retr0bright it, but it didn't work out as planned and there were a lot of spots.
Resurrection of computer mice
ezContents 8 December 2016
Two old computer mice turned yellow over the years and needed some brighting up. To achieve this we are going to use the retr0bright method.
Canon CanoScan FB330P disassembly
ezContents 8 December 2016
This vintage Canon parallel scanner needed some restoration and for that purpose it needed to be taken apart. It is a bit tricky as some of the parts are glued with adhesive tape and need to be detached very carefully. This small tutorial shows a step by step disassembly instructions of the scanner.
Whitening old yellow scanner cover
ezContents 6 December 2016
If you have old plastic cases that have turned yellow, you can restore them to it's original state just by using hydro-peroxide, some oxy powder, UV light bulbs and patience. In our test we will be restoring an old Canon flatbed scanner cover that had turned yellow