THE MAGAZINE FOR COMPUTER APPLICATIONS
Circuit Cellar Online offers articles illustrating creative solutions
and unique applications through complete projects, practical
tutorials, and useful design techniques.

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Contemporary Design Execution
by Robert P. Bisey

Start ý The History ý Interfacing ý Interface Board Circuit Descriptions ý The Microcontroller Board • Program Logic • Software • Code Transmission Protocol • Something Old, Something New..• Sources and PDF

SOMETHING OLD, SOMETHING NEWý

This article documents an attempt to marry something old with something new and demonstrates the successful application of the latest state-of-the-art microcontroller technology to an over a century-old communications technology. The near-limitless versatility of the 68HC11 MCU made it easily possible to accomplish this otherwise complex task using a low-cost SBC with a minimum of peripheral components. Forthcoming projects using the 68HC11 include a MIDI interface data transmitter used to transmit control signals to modern musical instrument keyboards, a 440-HZ sinewave concert pitch reference, and a lifetime of future projects too numerous, unique, and diverse to mention.

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