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AJMRTC MPR121 Capacitive Touch Sensor Keypad Module, 12 Channel Touch Buttons I2C Interface Digital Touch Controller for Arduino Raspberry Pi DIY Electronic Projects
- - MPR121 based capacitive touch sensor module with 12 independent touch detection channels
- - Adopts I2C communication interface, simple connection and easy to read touch signals via MCU
- - Supports flexible electrode design, works with copper foil, wires and custom touch pads
- - Low power consumption, stable touch detection, less susceptible to environmental interference
- - Compact breakout board, great for Arduino, Raspberry Pi and interactive DIY projects
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Overview
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AJMRTC MPR121 capacitive touch sensor keypad module is a 12-channel digital touch controller built around the MPR121 chip. It uses capacitive sensing technology to detect touch without physical pressure. The module communicates through the I2C interface, making it compatible with common microcontrollers like Arduino and Raspberry Pi. You can extend touch electrodes with copper tape or wires to create custom touch buttons, sliders and interactive switches. Featuring low power draw and reliable touch response, this board is widely used for interactive electronic works, smart device control panels and educational embedded experiments.
- Brand: AJMRTC
- Chip: MPR121
- Touch Channels: 12
- Communication: I2C Interface
- Sensing Type: Capacitive Touch
- Working Voltage: DC 2.5V ~ 3.6V
- Application: Arduino, Raspberry Pi, Electronic DIY, Interactive Touch Project
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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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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