TP229 Capacitive Touch Keypad

The TTP229 capacitive touch sensor module is perfect for adding capacitive touch inputs to your project. Tihs capacitive touch sensor module uses the TTP229 integrated circuit, making it easy to add capacitive touch input to your project. It features 16 sensitive touch pads that make an ideal replacement for the old fashioned keypads.

Quick Spec

• Operating voltage：2.4V~5.5V
• Stand-by current At 3V, 2.5uA
• On-Board Power Indicator LED
• Operates In 8 Or 16 Channel Mode
• Output Can Configured Be Active High Or Low
• Output Mode Can Be Configured To Toggle Or Momentary
• 0.5 Second Startup Calibration Delay
• Configurable Output Mode
• 8 Key or 16 key modes
• Separate outputs to 8 keys in 8 key mode
• PCB Size At 49.3 x 64.5mm

Pin-outs

1. VCC (2.4 - 5.5V)
2. GND
3. SCL (serial clock in)
4. SDO (serial data out)
5. OUT 1 (key 1 state)
6. OUT 2 (key 2 state)
7. OUT 3 (key 3 state)
8. OUT 4 (key 4 state)
9. OUT 5 (key 5 state)
10. OUT 6 (key 6 state)
11. OUT 7 (key 7 state)
12. OUT 8 (key 8 state)