A 4-key capacitive touch sensor module based on the TTP229 IC. Offers sleek, non-mechanical input with high sensitivity and low power usage.

Specs:

• Chipset: TTP229

• Keys: 4 capacitive touch pads

• Output: Digital (active-low)

• Interface: Standard digital I/O

• Supply Voltage: 2.4V – 5.5V

• Size: 35mm × 29mm

• Response Time: < 60ms