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DigiBarn Systems: Heathkit Microprocessor Learning System
(model ET-3400)

Thank you Sean Broderick for this system, a fine example of an early training kit to teach the basics of microprocessor operation.

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The Heathkit
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Keypad for entering instructions in
hexidecimal format on right
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Detailed view with LED display
on upper right
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Back view
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Bottom of unit
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Typical parts for Heatkit
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Continuing education manuals
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Final exam kit and manual
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Continuing education and cassette tapes
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Motorola 6800 Microprocessor
Instruction Set Summary
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Heathkit advertisment
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Guide to assembly and operations
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X-Ray view of the Heathkit motherboard
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Full schematic

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