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AJMRTC MPR121 Breakout V12 Capacitive Touch Sensor Controller Module, I2C Interface 12-Channel Touch Keyboard Detector Board for Arduino Raspberry Pi DIY Touch Keypad Projects
- - MPR121 V12 breakout board, 12 independent capacitive touch sensing channels for touch keypad design
- - I2C communication interface, simple wiring, compatible with Arduino, Raspberry Pi and other MCUs
- - Adjustable touch sensitivity via register configuration to adapt different electrode materials
- - Low power consumption, supports interrupt output to wake up microcontroller when touch detected
- - Compact PCB breakout design, great for touch keyboard, touch switch and human-machine interface
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AJMRTC MPR121 V12 capacitive touch sensor controller breakout board is based on MPR121 touch chip, offering 12 channels of capacitive touch detection. It can detect touch on electrodes made of copper, foil, conductive plastic or even conductive fabric.
This module communicates over I2C bus and provides interrupt signal output, which helps save MCU polling resources. Users can adjust touch threshold and sensitivity through simple code configuration. It is widely used to build custom touch keyboards, touch buttons, interactive art installations and human-machine control projects. Ideal for electronic hobbyists and STEM teaching experiments.
- Brand: AJMRTC
- Model: MPR121 Breakout V12
- Chip: MPR121 Capacitive Touch Controller
- Channels: 12 Touch Input Channels
- Communication: I2C Interface
- Power Supply: DC 2.4V ~ 3.6V
- Feature: Interrupt output, adjustable touch sensitivity
- Application: Touch keyboard, touch switch, HMI, Arduino & Raspberry Pi DIY
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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