MPR121 Touch Controller
The MPR121 is a 12-channel capacitive touch sensor controller with I2C interface, ideal for creating touch interfaces for Arduino and other microcontrollers. It offers low power consumption and high sensitivity for reliable touch detection.
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₹676.00
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About MPR121 Touch Controller
Technical Specifications
| Operating Voltage | 1.71V to 3.6V |
|---|---|
| Average Supply Current | 29 μA |
| Interface | I2C (up to 400 kHz) |
| Number of Channels | 12 capacitive touch inputs |
| Package | 20-lead QFN (3 x 3 x 0.65 mm) |
| Operating Temperature | -40°C to +85°C |
| Proximity Detection | Yes (up to 4 inputs can be configured for proximity) |
| Auto-Calibration | Built-in |
| Power Supply | VDD pin |
| VREG Pin | Internal voltage regulator |
| I2C Address | 0x5A (default) |
Component Datasheet
Download the official datasheet for MPR121 Touch Controller
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