Gadgets

The chimney claw

The chimney claw

Linus Ã…kesson made this amazing robot to clean out his kitchen chimney. In the end, the chimney was clean, and the kitchen fan worked once again. The claw hangs from a long cable, providing power and a control signal to the servo. At the other end of the cable is a plastic box with a […]

Eye-Fi dissected

Eye-Fi dissected

In case you’ve been waiting to take peek under the hood of an Eye-Fi wireless memory card – I know it’s tempting to have a look inside all the gadgets and gizmos that help and hinder our daily lives, but this often comes at a cost – the danger of breaking something you’ve paid good […]

Braille glove

Braille glove

A wireless tactile communication device for the blind using finger braille – Tactile information transfer is a mapping problem. To simulate this mapping, we have developed a glove embedded with accelerometers, magnetometers, and a controller. When the glove operator taps Braille codes using his/her fingers, the controller maps them to ASCII codes. Conversely, when ASCII […]

Life clock

Life clock

The Life clock, by Bertrand Planes runs on a “clock mechanism slowed down 61320 times” so that each number represents years. – Link Marco writes in asking – “How does one make one of these?” Well, besides having highly reliable components – I’d imagine the clock hands could be animated by stepper motors which in […]