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TTP229 - 16 Key Capacitive Keypad - I2C Interface

TTP229 - 16 Key Capacitive Keypad - I2C Interface
TTP229 - 16 Key Capacitive Keypad - I2C Interface
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TTP229 - 16 Key Capacitive Keypad - I2C Interface

16 Keys capacitive touchpad using TTP229 interface chip. Efficient capacitive touch keypad with ultra fast response time and durability. Can work in 8-key or 16-key mode. By default TTP229 is 8-key controller, and it's state can be read directly from 8 output pins. 16-key data can be read using serial interface. To change the various settings of module and to switch between the working modes user needs to configure the module using TP1 and TP2 connections.

  • Operating voltage - 2.4 - 5.5V
  • On-board regulator
  • 8 Keys/ 16 Keys mode
  • I2C like serial interface for reading 8-Key/ 16-Key mode data.
  • Configurable sampling rate of 8Hz to 64Hz.

TTP229 Technical Datasheet [331 KB PDF]

TTP229 Module Schematic Diagram [181 KB PDF]


Arduino Library for TTP229 Interfacing in 16- Key or 8-Key mode


 

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