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RIT Computer Engineering Senior Design Project Dominic Giambo and Michael Mallery Fall 2007

Custom Fabrication. Whirling Dervish. Project Schematics. Printed Circuit Board (PCB). Power Supply. RIT Computer Engineering Senior Design Project Dominic Giambo and Michael Mallery Fall 2007.

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RIT Computer Engineering Senior Design Project Dominic Giambo and Michael Mallery Fall 2007

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  1. Custom Fabrication Whirling Dervish Project Schematics Printed Circuit Board (PCB) Power Supply RIT Computer Engineering Senior Design Project Dominic Giambo and Michael Mallery Fall 2007 The Whirling Dervish is a mechanically scanned LED display. It rotates a series of 8 LEDs, changing them many times per second to create a simulated image. Retinal persistence creates the illusion of a steady image. Display PCB Slip Ring The slip ring was custom built to bring power and ground to the rotating PCB through the rotating shaft. Graphite brushes were used to contact the copper on the slip ring to transfer power to the PCB. Display Images Switches and LEDs Temperature Sensor Parts and Pricing System Components • Printed Circuit Board • Microchip PIC16F690 Microcontroller • 74ALS240 Octal Inverting Buffer • 7405 Voltage Regulator with Capacitors • 8 High-Intensity Red LEDs • 2 Infrared Phototransistors • Custom Designed Slip Ring • Carbon Brushes Power Supply Waveforms

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