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Hardware Interfacing With The Apple II Plus

Hardware Interfacing With The Apple II Plus This book is written for the computer "hacker," the technician, the engineer, and in general anyone with an interest in knowing a bit more about the electronics of the Apple II Plus personal computer system. In particular it deals with interfacing the sometimes "hostile" outside world to the expansion bus of the Apple. If you have never thought of using the Apple to control your world, consider some of the possibilities. Using simple BASIC software you can monitor the indoor or outdoor temperature, the opening and closing of a door, the level of light in a room, the status of a smoke detector, or the voltage on a charging capacitor. Once input, you can process this information and tum on the light across the room, switch the furnace off or on, generate a piercing alarm signal, or program the "tinkling" of a bell.

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