Low-cost keyboards

Article Abstract:

Keyboards available at the low end of price scale are analyzed. The keyboards are broken down into two broad categories, those with no on-board electronics and those which contain some encoding circuitry, and the uses and manufacturers of each kind, and your best buys, are discussed.

Purchasing, Keyboards (Electronics), Keyboards (Computers), I/O devices

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Fiber-optic components

Article Abstract:

Due to improvements in the problems of high prices and lack of standardization, fiber optics may at last be used in the design of short and moderate length communication equipment. New uses for fiber optics in cables, connectors, transmitters and receivers are analyzed.

Usage, Electronics industry, Fiber optics, Electric cables, Materials, Diodes, Electrical cables

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Rotary switches; maturity needn't be equivalent to stagnation. Although rotary switches have been around for years, the latest introductions have a new look

Article Abstract:

Rotary switches are now being adapted to meet the needs of microprocessors. Smaller and simpler designs brings downs costs. Most rotary switches are now custom designed. Design limits and safety levels are also discussed.

Electronic Components and Accessories, Innovations, Switches, Switching circuits, Semiconductor switches

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