TTP229 16-Way Capacitive Touch Switch Digital keypad Module
The TTP229 16-Way Capacitive Touch Switch Digital Touch Sensor Keypad Module uses the TTP229 integrated circuit to enable capacitive touch input. Featuring 16 highly sensitive touch pads, this module serves as a modern alternative to traditional mechanical keypads.
Capacitive touch technology allows the module to detect the proximity of a finger within a few millimeters of the surface, providing a response similar to pressing a physical button. This technology is ideal for applications that require human touch detection with minimal force.
Designed for ease of use, the module includes 16 touch-sensitive switches, all powered by the TTP229 touch-sensing IC. It also incorporates a built-in regulator to ensure stable and reliable touch sensing. The module allows for the integration of additional interfaces through non-conductive dielectric materials.
Features:
Built-in regulator
Two modes
Simple 8 key mode with independent 8 Channel parallel output.
Advanced 16 Key modes with I2C interface output.
Modes can be selected and configured by the user.
Adjustable sensitivity.
Specification:
Operating Voltage (VDC)
2.5 ~ 5.5
Color:
Blue
Length (mm):
65
Width (mm)
50
Height (mm)
1
Weight (gm)
7
Shipping Weight
0.01 kg
Shipping Dimensions
8 × 6 × 2 cm
Package Includes :
1 x TTP229 16-Way Capacitive Touch Switch Digital Touch Sensor keypad
TTP229 16-Way Capacitive Touch Switch Digital keypad Module Overview
The TTP229 16-Way Capacitive Touch Switch Digital Keypad Module is a compact touch-sensing board featuring 16 independent capacitive pads driven by the TTP229 IC. It replaces mechanical buttons with responsive touch inputs, ideal for modern control panels, DIY electronics and embedded systems.
Key Features of TTP229 16-Way Capacitive Touch Switch Digital keypad Module
Wide operating voltage range of 2.4 V to 5.5 V with built-in regulator for stable operation
Adjustable touch sensitivity to prevent false triggers and match user preference
Compact PCB design with clearly labeled pads and pin headers for easy integration
Modern capacitive touch technology detects finger proximity within millimeters
Fast shipping from Zbotic ensures you get the module quickly for your project
Applications and Use Cases
Home automation panels: light switches, motorized curtains and HVAC controls
Access control systems: PIN entry for door locks and security gates
Embedded device interfaces: menu navigation on industrial controllers
Robotics control: selecting modes or issuing commands in mobile robots
Interactive kiosks and exhibits: user input without mechanical wear
How to Use TTP229 16-Way Capacitive Touch Switch Digital keypad Module
Begin by wiring the module’s VCC (2.4 V–5.5 V) and GND to your power supply. Select your desired mode by tying the MODE pins high or low: simple 8-key mode outputs directly from D0–D7, while advanced 16-key mode communicates over I2C via SDA and SCL. Fine-tune the onboard sensitivity potentiometer until you achieve reliable touch detection. Finally, read pad states through your microcontroller’s GPIO or I2C bus to integrate it into your application.
Why Buy from Zbotic?
Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
How do I switch between 8-key and 16-key modes?
Use the MODE selection pins: pull the MODE pin low for 8-key parallel output or high for 16-key I2C mode. Refer to the module silk-screen for exact pin labels.
What voltage range should I use for safe operation?
The module operates reliably between 2.4 V and 5.5 V thanks to its onboard regulator. Avoid voltages above 5.5 V to prevent damage to the IC.
How can I adjust the touch sensitivity?
Turn the small potentiometer on the PCB clockwise or counterclockwise until touches are registered reliably without false triggers. Test under your enclosure or environmental conditions.
The TTP229 16-Way Capacitive Touch Switch Digital keypad Module is a versatile electronic switches/keypads modules used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
Integrating into a custom electronics project
Learning and experimenting with circuits
Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Weight
0.01625 kg
15 Days Warranty
Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.
What voids warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
