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MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement in Saudi Arabia

MPR121 Capacitive Touch Keypad Sensor 12 Buttons - 3.3V I2C Output Controller for Access Control Systems, High Sensitivity Panel Replacement

SAR 47
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Special Features

  • High Sensitivity Touch Control: MPR121 capacitive touch chip ensures timely response with 12 touch buttons for precise input without physical wear
  • Versatile Computer Integration: Designed as input system replacement with I2C output can be used as an input system instead of traditional buttons
  • Compact Durable Design: Measures 7.8x4.8 cm with reinforced structure and 4 mounting holes for secure installation in tight spaces
  • 3.3V Logic Optimization: Operates at 3.3V output voltage ensuring seamless integration with low-voltage systems and microcontrollers
  • Complete Starter Package: Includes capacitive touch sensor keyboard and right angle pin header for immediate setup and prototyping

Description

MPR121 Touch Keyboard Capacitive Touch Keypad with 12 high sensitivity buttons for computer keyboards input systems. This capacitive touch sensor module replaces traditional mechanical keyboards with reliable I2C output compatibility
Ideal for DIY electronics projects, this keypad simplifies interface control through responsive touch panels. The MPR121 chip ensures accurate signal detection while four mounting holes provide secure installation. Connect directly to microcontrollers, this keypad operates at 3.3V logic levels, for 5V system integration please use with logic level converters
Specification:
Item Type:Capacitive Touch Keyboard
Material: FR-4 PCB
Output Voltage: 3.3V
Interface: I2C communication
Button Count: 12 capacitive touch keys
Size:7.8*4.8cm(3.07*1.89in)
Color:Red
Package List:
1 x Capacitive Touch Sensor Keyboard
1 x Right Angle Pin Header
Note:
This keypad outputs 3.3V logic. If you are using a board which only accepts 5V logic, you will run into a problem. You will want to use a logic level converter, or a board which accepts 3.3V logic

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