MPR121 Touch Keyboard Capacitive Touch Keypad with 12 high sensitivity buttons for computer keyboards input systems. This capacitive touch sensor module replaces traditional mechanical keyboards with reliable I2C output compatibility
Ideal for DIY electronics projects, this keypad simplifies interface control through responsive touch panels. The MPR121 chip ensures accurate signal detection while four mounting holes provide secure installation. Connect directly to microcontrollers, this keypad operates at 3.3V logic levels, for 5V system integration please use with logic level converters
Specification:
Item Type:Capacitive Touch Keyboard
Material: FR-4 PCB
Output Voltage: 3.3V
Interface: I2C communication
Button Count: 12 capacitive touch keys
Size:7.8*4.8cm(3.07*1.89in)
Color:Red
Package List:
1 x Capacitive Touch Sensor Keyboard
1 x Right Angle Pin Header
Note:
This keypad outputs 3.3V logic. If you are using a board which only accepts 5V logic, you will run into a problem. You will want to use a logic level converter, or a board which accepts 3.3V logic