Onboard LED indicators: Instantly show button status for easy monitoring and feedback
Simple 3.3V/5V DC operation: Compatible with a wide range of microcontrollers and simple circuit designs
Easy prototyping support: Allows users to prototype with the TTP224 IC and later build custom PCBs
Global free delivery: Accessible worldwide for international buyers
Summarized by Shop
Add a nice four-button capacitive-sensing keypad to your project with these TTP224 4 Channel Digital Capacitive Switch Touch Sensors from PMD Way.
They're easy to use, simply connect between 3.3 and 5V DC to the power/GND pins - and the output pins will change state when pressed.
Onboard LEDs indicate button status so you can easily tell