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It’s not roses or jewelry, but we hope [Erik]‘s light-up USB heart will be appreciated by his significant other. When the two heart pieces come in contact with each other, each side lights up. [Erik] started his build by cutting two half-heart shaped pieces out of polycarbonate. After drilling a few holes for LEDs and wires, [...]

Tags:  led share heart erik heart-shaped-pieces heart-pieces polycarbonate hacks  

[Erik] has been keeping extremely busy with his latest project, a flexible RGB LED matrix that he calls “Project Light Bright”. The folks at BuildLounge tell us that this is the first entry they have received so far in their “Light Contest”, in which they are giving away a free laser cutter to the best [...]

Tags:  led matrix project erik led-matrix laser-cutter free-laser hacks  

[Erik] wrote in letting us know that he just completed development of the Bobuino, a Arduino based on an ATmega1284. That chip is nice and beefy, most notably for having 16 KB of SRAM but it also boasts 4 KB of EEPROM, and 128 KB of program memory. But the upgraded chip isn’t the only [...]

Tags:  arduino bobuino atmega erik program-memory eeprom sram hacks  

[Erik] was looking for a sturdy robotics platform and was initially considering the iRobot Create, until he found that he could score a Roomba Discovery series for a fraction of the price. The Discovery includes a battery, which is missing from the iCreate, though it also has all of the standard vacuum bits included as [...]

Tags:  discovery roomba one-eyed erik roomba-discovery discovery-series irobot robots hacks  

[Erik] is a broke engineer. When this past Valentine’s day rolled around he didn’t have any cash to buy a gift for his girlfriend, so he had to get creative. Every girl likes flowers, but unless he was going to give his lady some day old daises from the grocery dumpster, he would have to [...]

Tags:  valentine day diy erik flower-bouquet valentine-s-day daises led hacks  

It’s no secret that the central US is feels like a very humid oven right now. [Erik's] window AC hack might help you out if you’re coping with triple-digit temperatures. He added network connectivity to the unit above but the picture is a bit deceiving. The blue CAT-5 cable that enters the bottom isn’t connecting [...]

Tags:  air network window erik central-us cat-5-cable window-air-conditioner digit-temperatures home hacks