TTP229 I2C Keypad Numpad 4×4 PCB Touch Sentuh Capacitive Module 16

Spesifikasi:
– Operating voltage 2.4V – 5.5V.
– Built-in regulator with external enable / disable option.
– Operating current @VDD= 3V :
At low power mode typical 2.5uA.
At fast mode typical 9.0uA.
– Sensitivity can adjust by the capacitance (0~50pF) outside for each touch pad.
– Provides Fast mode and Low Power mode selection by pad option (LPMB pin).
– Provides direct mode or toggle mode CMOS output or open drain output.
– Active high or active low by pad option (TOG/OD/AHLB pin). Provides 2 output pins TPQ0D, TPQ2D that have no diode protection, active low.tduino
– Have the maximum on time 120sec / 64sec / 16sec / infinite by pad option (MOT1, MOT0 pin); After power-on have about 0.5sec stable-time, during the time do not touch the key pad, and the function is disabled.
– Auto calibration for life, and the re-calibration period is about 4.0sec, when key has not be touched.
– PCB board size: 49.3mm x 64.5mm