Transcription of Capacitive Touch Hardware Design Guide (Rev. A)
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DesignGuideSLAA576A May 2013 RevisedNovember2015 CapacitiveTouchHardwareDesignGuideHollyG u, CapTIvate technologyare the mostnoise-immunecapacitive-touchMCUsand first tofeaturean mostconfigurablecombinationofcapacitiveb uttons,sliders,wheels,and proximitysensors,all at the world' learnaboutthesenew solutions,go to sometimesconsideredmoreart multipledesigniterationsbeforethe optimumperformanceis , however,gooddesignpracticesfor circuitlayoutand principlesof materialsthat needto be understoodto keepthe numberof iterationstoa processfor creatingand designingcapacitivetouchsolutions,starti ngwith the schematic,workingthroughthe mechanicals,and finallydesigningthe electrodesfor of and Cross-SectionalViewsof TraceLine in Viewof Connectorand Viewof the ,Dos and Don' a Slideror Wheelfor ,MSP430are trademarksof is a trademarkof a registeredtrademarkof May 2013 RevisedNovember2015 CapacitiveTouchHardwareDesignGuideSubmit DocumentationFeedbackCopyright 2013 2015, collateralfor developingcapacitivetouchsolutions:1.
Simple Electrode Shape: Button Complex Electrode Shape: Slider Contour Electrode Shape: Button www.ti.com Overview of Capacitive Touch Sensing Figure 1. Sample Electrode Shapes A trace is the conductive connection between the MSP430™ microcontroller and the electrode.
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