Microchip's mTouch™ projected capacitive touch-screen sensing technology is the first in a series of patent-pending releases supporting projected capacitive touch-screen solutions. Microchip has also added the mTouch projected capacitive development kit, as well as the PIC16F707 8-bit microcontroller (MCU), which features two 16-channel capacitive sensing modules (CSMs) that can run in parallel for increased sampling speed.
mTouch projected capacitive touch-screen technology enables designers to quickly develop and implement robust glass-front user interfaces that simplify user interaction via features such as gestures. Typical applications include global positioning systems, thermostats, mobile handheld units, and other devices that use smaller displays with a finger input.
Building upon the mTouch capacitive touch-sensing technology, this royalty-free, robust technology now works through gloves and on surfaces that contain liquids. It also enables Braille to be used on capacitive touch-sensing interfaces. Designers can integrate mTouch capacitive touch-sensing functionality with their existing application code in an 8, 16 or 32-bit PIC® MCU, thus reducing total system costs.
- mTouch™ Projected Capacitive Development Kit - The mTouch projected capacitive development kit includes a 3.5-inch sensor mounted on a sensor board, a projected-capacitive board with the PIC16F707 MCU, and fully functional firmware. The kit enables users to connect sensors to up to 24 channels without modifying the firmware. The open source code supports sensors with up to 32 channels, and the kit includes a graphical user interface (GUI) tool that enables users to easily adjust key parameters that are important to their designs.
- PIC16F707 Microcontroller - In addition to two CSMs, the low-power PIC16F707 8-bit MCU has a wide operating voltage range of 1.8 – 5.5 V with a typical projected-capacitive sensor application operating current of approximately 1.5 mA at 5 V.
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