Transcription of AN043 - Methods for using thumbwheel switches …
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AN043 - Methods for using thumbwheel switches …
AN043 - Methods for using thumbwheel switches as numericinput by:Glenn ClarkProtean Logic this application note common thumbwheel switches are used as input devices for the TICkit processor. Thumbwheelswitches, or BCD switches are actually four SPST switches that are mechanically connected to generate a binary codethat matches the mechanically selected digit. This approach offers the advantage of confirming a users selection withouthaving some system to output numeric data. For user applications where there is no other requirement for output, thumbwheel switches are a logic choice for reliable numeric input. thumbwheel switches come in a variety ofpackages. Some have up and down buttons to select different values, others have little handles on the wheel, still othershave values that are selected with a screwdriver or small knob.
AN043 - Methods for using thumbwheel switches as numeric input devices. Submitted by: Glenn Clark Protean Logic Inc. In this application note common “thumbwheel” switches are used as input devices for the TICkit processor.
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