16-Key Capacitive Touch Sensor Pad Module TTP229B for Arduino

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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-5.5V

Stand-by current:

At 3V, and sleep mode slow sampling rate 8Hz: Typical 2.5uA for 16 input keys

PCB Board Size: 65mm x 50mm (L*W)

Pin Quantity: 12

Pin Distance: 2.54mm

Fixed Hole Dia.: 3mm

Fixed Hole Distance: 44mm / 1.73"