Month: May 2013

Pirate Pancake Follows Captain Crepe

Pirate Pancake Follows Captain Crepe

What’s an antidote to too much time spent online? Joe Sandor’s answer was making something with your hands and spending face-to-face time with friends. It was the social aspect of making and eating crepes that originally inspired the Captain Crepe Pan. That success lead this sculptor to his second adventure in limited-edition artist cook-castings: the Pirate Pancake Skillet.

Sensing Color With a LED and Op Amp

Sensing Color With a LED and Op Amp

Robot Room’s David Cook shows how an LED and op amp, along with a resistor and cap, can be built into an amplified color sensor. Unfortunately, even under the best conditions, photodiodes (and reversed LEDs) don’t provide a lot of current flow. The output of the photodiode needs to be amplified for the light-detection signal […]