Category Archives: Projects

Impressive 6502 Home Computer

Posted on January 27, 2015 by e8johan

Dirk Grappendorf has been working on a serious looking MOS 6502 based computer. Over at his site, you can follow his development diary. The computer was developed between September 2014 and January 2015. Quite impressive, given the outcome! The entire … Continue reading →

Posted in 3D Printing, Electronics, Open Hardware, Programming, Projects, Retro | Comments Off on Impressive 6502 Home Computer

Improved ATX PSU

Posted on November 11, 2014 by e8johan

Francesco Truzzi just announced a really great ATX PSU break-out board. It can act as a USB charger, has a variable voltage output and a set of fixed voltage levels (3.3, 5 and 12v). The design is based around an open … Continue reading →

Posted in Projects | Comments Off on Improved ATX PSU

The real Pong

Posted on December 19, 2012 by e8johan

The classic game of pong has been reimplemented many times in different settings. For the purist, the right way of doing it is to base the replica on the original schematics. This imgur album shows how Pong is built in 74LS. … Continue reading →

Posted in Electronics, Projects | Comments Off on The real Pong

Build a Custom FPGA

Posted on December 3, 2012 by e8johan

FPGAs are monsters of flexible logic. If you have a problem that can be pipelined or run in parallel  you can perform miracles. If performance isn’t your focus, you can emulate beautiful machines from the past. Over at Nick’s blog, there … Continue reading →

Posted in Electronics, FPGA, Projects | Comments Off on Build a Custom FPGA

Self-printed Retro Joystick

Posted on October 1, 2012 by e8johan

Over at Thingiverse, the Dutchman known as srepmub has published a great looking 3D printable retro joystick. The instructions contains printable parts, PCB and build instructions. As a later entry, he shows the results of two days (!) of polishing. … Continue reading →

Posted in Electronics, Projects | Comments Off on Self-printed Retro Joystick

3D LED Matrix

Posted on March 30, 2012 by e8johan

Fredrik Petrini has posted a detailed build instruction for a 3D LED matrix. That is, a truly three dimensional display with 125 pixels.

Posted in Electronics, Projects | 2 Comments

Portable Electronics Lab

Posted on March 23, 2012 by e8johan

Built from an old laptop, sk7ca‘s portable electronics lab is quite impressive. It contains a generous breadboard area, an LCD display, a keypad, various inputs, outputs, sensors , gizmos and the now ubiquitous Arduino. What the video for a guided tour.

Posted in Arduino, Electronics, Projects | Comments Off on Portable Electronics Lab

Uzebox – an 8-bit Gaming Console

Posted on November 7, 2011 by e8johan

The Uzebox is an old school gaming console hardware designed for today’s hobbyists. It is based around an ATmega MCU and an RGB-to-NTSC (or PAL) converter chip. The system has 4kB of RAM and 64kB of FLASH. The system can … Continue reading →

Posted in AVR, Electronics, Platforms, Projects | Comments Off on Uzebox – an 8-bit Gaming Console

Retro AVR Computer

Posted on October 28, 2011 by e8johan

Mark Wilson has recreated the classic KENBAK computer using an AVR and some support electronics. This not only brings back a classic computer in a modern form, it provides a computer basic enough to be fully understood in a few hours. … Continue reading →

Posted in Electronics, Projects | Comments Off on Retro AVR Computer

Dishwasher Monitoring Magic

Posted on October 3, 2011 by e8johan

The dish-o-tron 6000 is a thing of beauty by the hacker Blondihacks. It is an automatic dishwasher monitor built to detect if a dishwasher contains clean or dirty dishes. The beauty lays in the fact that it does that by … Continue reading →

Posted in Electronics, Projects | Comments Off on Dishwasher Monitoring Magic