• MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
1/1
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor

MPR121 Module Capacitive Touch Sensor

SKU: 1771722
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  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
1/1
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • MPR121 Module Capacitive Touch Sensor
  • Description

The MPR121 capacitive keypad uses the MPR121 and 12 touch sensitive pads to give you a simple 'keypad' with an I2C output.

The board also has four mounting holes allowing it to be used as an input system in place of traditional buttons. Check the example
code below for an easy way to read the keypad. cjmcu.
Size:48mm*78mm
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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