DIY Red LED lamp
Here’s how to convert a cheap 12v halogen desk lamp to use with LEDs, specifically red ones for use at night during astronomical observation…also covers how to adapt it for use with a 12v power supply – Link.
Here’s how to convert a cheap 12v halogen desk lamp to use with LEDs, specifically red ones for use at night during astronomical observation…also covers how to adapt it for use with a 12v power supply – Link.
I dream of a backpack attachment for remote viewing! This big LED display prototype I built from scratch for my employer. It conteins PIC based serial controller, PSU speaker and 420 LEDs forming segments of displays. Each segment consists of 20 superbright 5mm LEDs. Numbers are 20 cm high. LEDs are fixed on lasercut acrylic […]
Made out of a few household objects, it launches Q-tips anywhere between 30-50ft. – Link
While browsing the Google Video wonderland, I stumbled on these virtual Rube Goldberg contraptions. Despite the carnage, they are fun to watch! HL2 Rube Link and HL2 Rube Reloaded Link.
Nice retro re-use – Link.
As a kid, I had a ham radio receiver and I would stay up late listening to the bbc and the robotic-sounding noises of morse-code communication. This rig would have been fun to run between my room and my brother’s room for secret communication. Got a morse code project idea? Leave a note in the […]
KoolKat has another awesome bike project – “Full suspension mountain bikes with v-shaped frames have become very popular over the years, so it’s no wonder that the local landfill has been seeing more and more of the cheap steel versions lately. The typical lifespan of a department store type bike seems to be about three […]