Category Archives: Projects

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. Fredrik Petrini has posted a detailed build instruction for a 3D LED matrix. That is, a truly … Continue reading →

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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. Built … Continue reading →

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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 →

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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 →

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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 →

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Sketches Over the Net

Posted on September 30, 2011 by e8johan

The people over at WickedDevice has been working on a new bootloader for the Nanode. The code can download and FLASH the device with new software over TFTP. This opens the possibilities for remote updates – meaning that you can … Continue reading →

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Power to the Breadboards

Posted on September 23, 2011 by e8johan

Blondihacks has designed a small power supply for breadboards – Juice Bridge. It provides regulated 5V, easy access to ground and the ability to measure the power used by the entire breadboard. All this on a single-sided PCB with a … Continue reading →

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Classic BASIC Computer

Posted on September 2, 2011 by e8johan

Geoff Graham has constructed a small, PIC32-based, computer with a classic interface. Remember the time when a computer booted right into a basic prompt? The Maximite will take you back in time! The system is not only capable of executing … Continue reading →

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Assembling a Nanode

Posted on August 26, 2011 by e8johan

The networking Arduino-inspired Nanode is delivered as a kit. Nicholas O’Leary has document the build process of his kit (#0349). Looks like a fun soldering project – and a good platform to hack on. The networking Arduino-inspired Nanode is delivered … Continue reading →

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DIY Lab Power Supply

Posted on August 15, 2011 by e8johan

The digital hobbyist usually relies on a few supply voltages. If 3.3, 5 and 12 Volts sounds good enough for you (perhaps the 1.7, 7 and 8.7 are needed too), the you can convert an old PC power supply to … Continue reading →

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