| What’s special about this mini dice is the minimal number of components needed: one chip, one capacitor, one pushbutton and seven LEDs. To k...
| What’s special about this mini dice is the minimal number of components needed: one chip, one capacitor, one pushbutton and seven LEDs. To k...
| This is an oldie already (2006) but it's still a treat to the eye; the Flower Lamp by Swedish based 'The Interactive Institute'. TII is an e...
| Traditional indicator lamps with a filament are often also available these days — on a one-for-one replacement basis — in versions made with...
| Food from far places can be really cheap, but flying over those tomatoes all the way from Argentina produces a lot of carbon-emission. And w...
| Forget green power, enter RED power. The 'Still Light' miniature LED lamp runs completely on tomatoes! The tomatoes work as a battery, provi...
| I remember as a kid I was fascinated by those seventies-lava lamps. Belgian designer Maarten de Ceulaer gave the lava lamp a (sustainable) t...
| Sustainable streetlights are hot. And I'm not surprised by that. In the Netherlands alone there are more than 2.6 million of them (and Holla...
| If your project needs a higher voltage rail than is already available in the circuit, you can use an off-the-shelf step-up device. But when...
| Fabricating printed circuit boards is not something that every electronics hobbyist does for themselves. It is, however, not really that dif...
| The gum-on-the-street-problem got out of hand here in the Netherlands a few years ago. Walking around the city was like walking across a min...