Stepper Motor Controller
2 Assignments
0 Petitions
Accused Products
Abstract
A method for controlling multiple stepper motors with a single micro-controller output set uses a demultiplexer to split a single micro-controller output set into individual control signals for a plurality of stepper motors.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A method for controlling a plurality of stepper motors comprising:
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receiving a multiplexed signal originating from a single set of microcontroller outputs; demultiplexing the multiplexed control signal; deriving a plurality of stepper motor control signals, corresponding to a plurality of stepper motors, from the demultiplexed control signal; and transmitting each of the plurality of stepper motor control signals to a corresponding stepper motor. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. An apparatus for controlling a plurality of stepper motors comprising:
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a micro-controller; and a demultiplexer communicatively coupled to a single set of micro-controller output pins of the micro-controller and communicatively coupled to the plurality of stepper motors. - View Dependent Claims (30, 31, 32, 33, 34, 35)
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36. An instrument cluster assembly comprising:
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a micro-controller; a demultiplexer communicatively coupled to a single set of micro-controller output pins of the microcontroller and communicatively coupled to a plurality of gauges; each of the plural gauges comprising at least one stepper motor; and each of the stepper motors configured to be controlled by the micro-controller. - View Dependent Claims (37, 38, 39, 40)
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Specification