آی سی لمس خازنی TTP223

Features:

    Simple to Use, Auto Calibration
    Output can configured be Active High or Low
    Output Mode can be configured to Toggle or Momentary
    Easy to replace mechanical key outputs
    Output can be directly connected to Microcontroller's Input pins

Specification:

    Operating Voltage: 2V-5.5V
    Startup Calibration Delay: 0.5 Sec