Generator for the odometer (electronic speedometer) of the car. Free Technical Library article

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Generator for car odometer (electronic speedometer)

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Encyclopedia of radio electronics and electrical engineering / Automobile. Electronic devices

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This generator is designed to test the operation odometer (electronic speedometer) or wrapping a mechanical speedometer. The generator is assembled on a microcircuit containing a highly stable timer, tunable over a wide range. For rough tuning, capacitors are used, switched in any way. I used pins and jumpers from an old computer motherboard, you can use others as you like. The circuit has no features and it makes no sense to crucify in its work, collect and work. The assembled circuit from serviceable parts starts working immediately and does not require any settings.

Generator for the odometer (electronic speedometer) of the car. Generator circuit

Publication: cxem.net

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