Jimmie P. Rodgers explains his Creepy Cave Crab light/noise synths –
I made these for the Willoughby and Baltic Halloween show at the Charles River Museum of Industry. They use a single Hex Schmitt trigger inverter IC to generate the sound, and two RGB color change LED to generate the lights. I then encased them in friendly plastic, and painted them with silver paint.
– Check out the schematic on his site
Jimmie is also the designer of a new kit available in our Maker Shed –
The Open Heart Kit, an easy-to-animate LED display for use with Arduino
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