Your Browsing History
- Free 30-day Returns
$12.21
Ships from China.
Meet Your Seller
AJMRTC MPR121-Breakout-v12 Capacitive Touch Sensor Controller Board, 12-Channel Proximity Touch Keyboard Module, I2C Breakout for Raspberry Pi, Arduino, Interactive Touch & Proximity Detection DIY
- - MPR121-Breakout-v12 breakout board, 12-channel capacitive touch and proximity sensing controller module
- - I2C communication interface, supports touch detection and proximity sensing without physical pressure
- - Can build custom touch keyboard, touch buttons and proximity trigger systems for maker projects
- - Wide voltage input, compatible with Raspberry Pi, Arduino and other common microcontroller boards
- - Compact PCB layout, simple wiring, ideal for smart switch, touch panel and interactive prototype design
+
+
Overview
Specs
Reviews
Any questions? Our AI mode will help you find out quickly.
Try me now
AJMRTC MPR121-Breakout-v12 is a capacitive touch sensor controller breakout board built around the MPR121 chip. It provides 12 independent capacitive sensing channels, supporting both touch detection and proximity sensing. This module communicates via I2C bus, which simplifies connection with Raspberry Pi, Arduino and other MCUs. It can detect finger touch or nearby object proximity, enabling you to build custom touch keyboards, touch buttons, interactive control panels and smart trigger devices. No mechanical moving parts, so it has long service life. It is widely used for interactive installations, smart home touch switches, educational electronic experiments and custom human-machine interface development.
- Brand: AJMRTC
- Model: MPR121-Breakout-v12
- Chip: MPR121
- Sensing Channels: 12 channels (touch + proximity)
- Interface: I2C
- Operating Voltage: DC 2.5V ~ 3.6V
- Application: Touch keyboard, touch button, proximity detection, HMI prototype
- Compatibility: Raspberry Pi, Arduino, ESP32 and other I2C MCUs
- Package Includes: 1 × MPR121-Breakout-v12 Capacitive Touch Sensor Board
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.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
LOADING...