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Seeed Studio Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121)

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  • Seeed Studio
  • EXP-R02-695
  • 101020534
  • 4
  • CN
  • 85423190
  • 0.002
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The Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121) is a multichannel proximity... more

The Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121) is a multichannel proximity capacitive touch sensor. It's a 3-in-1 module with the following features: Capacitance Sensing, Touch Sensing, and Proximity Sensing.

Features:

  • Internal 10-bit ADC
  • Integrated independent autocalibration for each electrode input
  • Completely independent electrodes with built-in autoconfiguration
  • I2C interface, with IRQ Interrupt output to advise electrode status changes
  • Hardware configurable I2C address
  • 12 electrodes/capacitance sensing inputs in which 8 are multifunctional for LED driving and GPIO
  • Autoconfiguration of charge current and charge time for each electrode input
  • Separate touch and release trip thresholds for each electrode, providing hysteresis and electrode independence
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