Capacitive Touch Keypad

Capacitive Touch Keypad

Capacitive Touch Keypad

 

Features

  • Onboard 8 capacitive touchkeys and 1 linear capacitive touch sensor
  • Features TONTEK TonTouch touch pad detector IC TTP229-LSF, supports up to 16 keys with adjustable sensitivity and built-in LDO
  • The system re-calibrates automatically when all keys are not detected touch more than about 4 seconds
  • Configurable functions:
  • 8 keys OR 16 keys option
  • 8 separate outputs OR serial output
  • single-key OR multi-key feature
  • Sampling rate and sampling length at sleep mode
  • Maximum key-on time

Specifications

  • Interface : I2C OR I/Os
  • Keys : 8/16
  • Sampling rate : 8Hz/64Hz
  • Human Body Mode : 6KV
  • Operating voltage : 2.4V-5.5V
  • Operating temperature : -40℃ to +85℃
  • Storage temperature : -50℃ to +125℃
  • Dimensions : 4.7CM × 6.8CM
  • Mounting holes size : 3 × 3MM

How to Use

After power-on have about 0.5sec stable-time. During the time do not touch the key pad, and all functions are disabled
16 keys mode : short all the onboard jumpers, output via serial port, and the linear touch sensor is enabled
8 keys mode : short the SLWPTM and WPSCT, open all the other jumpers, output via OUT0-OUT7
 

Development resources: demo codes, schematic, datasheets, etc.
 

Consumer Products
Mechanical Switch/Button Replacement

Write a review

Note: HTML is not translated!
    Bad           Good

Express Checkout

includes GST

Price includes GST
 

  • Views: 3722
  • Brand: Waveshare
  • Product Code: Capacitive Touch Keypad
  • Availability: In Stock
  • AUD $19.85

Tags: Capacitive Touch Keypad