16-key Capacitive Touch Sensor Pad Module Ttp229b for Arduino

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Great Sensors for Arduino Project. Having Fun With Electronics and Programming! Description:Onboard TTP229B(SSOP-28) capacitive touch sensor IC 16 keys.Provides 8 separate output pins. Limited to 8-key direct output mode.Board-level status indicator.The module can set the output mode, the key output mode, the maximum output time and fast / low power selection.The output of 16 keys input mode only offer SDO&SCL serial output interface. Usage:Light up the indicator when you put your finger on the board number.Sensitivity can adjust by the capacitance (1~50pF) outside (30pF by default).It takes 0.5 seconds to stabilize after power-on. Do not touch the button panel during this time.First eight keys are valid by default. Short circuit Header 3 enter 16 keys control mode. Specification:Working Voltage: 2.4V-5.