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TIDM-02004
Gesture-based capacitive touch speaker interface reference design
TIDM-02004
Overview
The Gesture-Based Capacitive Touch Speaker Interface Reference Design demonstrates an ultra-low-power panel for controlling speaker systems. The design uses an MSP430™ microcontroller with CapTIvate™ technology for recognizing capacitive touch events. Using a self-capacitance configuration of sensors to detect proximity, tap, drag, and swipe gestures, this design can enhance a speaker system's interface and improve the user experience. The MSP430FR2633 MCU drives all capacitive sensing functionality.
Features
- MSP430 CapTIvate MCU for capacitive touch
- Capacitive touch button gestures: tap, tap and hold
- Capacitive touch slider and wheel gestures: tap, double tap, swipe and slide
- Low power consumption: <5 μA while idle using wake-on-proximity, <500 μA in active mode
- Moisture tolerant design: tolerance to moisture spray and droplets in certain environments
Industrial
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUEM5.PDF (832 K)
Reference design overview and verified performance test data
TIDRY07.PDF (74 K)
Detailed schematic diagram for design layout and components
TIDRY08.PDF (81 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRY09.PDF (55 K)
Detailed overview of design layout for component placement
TIDRY11.ZIP (847 K)
Files used for 3D models or 2D drawings of IC components
TIDCF32.ZIP (465 K)
Design file that contains information on physical board layer of design PCB
TIDRY10.PDF (415 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
MSP430 microcontrollers
MSP430FR2522 — Capacitive touch MCU with 8 touch IO (16 sensors), 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC
Data sheet: PDF | HTMLMSP430 microcontrollers
MSP430FR2533 — Capacitive Touch MCU with 16 touch IO (24 sensors), 16KB FRAM, 2KB SRAM, 19 IO, 10-bit ADC
Data sheet: PDF | HTMLMSP430 microcontrollers
MSP430FR2633 — Capacitive Touch MCU with 16 touch IO (64 sensors), 16KB FRAM, 4KB SRAM, 19 IO, 10-bit ADC
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Gesture-Based Capacitive Touch Speaker Interface Reference Design | PDF | HTML | Dec. 11, 2018 |
| Application note | Capacitive Touch Gesture Software and Tuning | PDF | HTML | Dec. 13, 2018 |
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