Reference: RBD-1167
Brand: Waveshare
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The I2C 4x4 Capacitive Touch Keypad with Cable is an advanced touch-sensitive input module designed for seamless integration with modern microcontroller-based systems. Featuring the reliable TTP229 capacitive sensing IC, this 16-key keypad offers smooth, contactless input detection using the I2C communication protocol. Operating between 3.3V and 5V, it is compatible with a wide range of platforms, including Arduino, ESP8266, ESP32, STM32, and Raspberry Pi. The keypad’s durable, maintenance-free design ensures long service life, while its compact 56mm × 70mm form factor makes it ideal for space-constrained applications. With high sensitivity and fast response time, it is an excellent choice for home automation panels, interactive displays, and security access systems, offering a sleek and reliable user interface solution. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Touch-Based Input: 16-key capacitive touch interface for modern, reliable input control.
TTP229 Controller IC: Delivers stable and accurate touch sensing.
I2C Communication Protocol: Reduces required I/O pins for simpler integration.
Wide Voltage Support: Operates at 3.3V to 5V for compatibility with various controllers.
Compact PCB Size: Measures only 56mm × 70mm, ideal for embedded projects.
Fast Response Time: High sensitivity ensures instant detection of touches.
Low Power Consumption: Perfect for portable and energy-efficient devices.
Mounting Ready: Includes M4 holes for easy and secure installation.
Maintenance-Free Operation: No moving parts, ensuring long-term durability.
Plug-and-Play Interface: Comes with a connection cable for quick setup.
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Home Automation Panels: Control lights, fans, and smart appliances via touch input.
Security Systems: Implement access control or PIN-based entry interfaces.
Industrial Control Systems: Use as a durable and responsive input interface.
Interactive Displays: Ideal for kiosks and touchscreen-based projects.
DIY & Educational Projects: Great for electronics learners and IoT prototypes.
Consumer Devices: Integrate into custom controllers and touch-based gadgets.
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| General Specifications | |
| Model | I2C 4x4 Capacitive Touch Keypad |
| Controller IC | TTP229 Capacitive Sensing IC |
| Communication Interface | I2C Protocol |
| Number of Keys | 16 (4×4 Matrix Layout) |
| Operating Voltage | 3.3V – 5V DC |
| Sensitivity | High, with fast response |
| Dimensions | 56mm × 70mm |
| Mounting | M4 Screws |
| Output Type | Digital via I2C |
| Power Consumption | Low |
| Cable Included | Yes (shielded connection cable) |
| Material | PCB with copper touch pads |
| Compatibility | Arduino, ESP32, STM32, Raspberry Pi, ESP8266 |
| Applications | Home automation, control panels, IoT systems |
| Shipment Weight | 0.02 kg |
| Shipment Dimensions | 7 × 6 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x I2C 4x4 Capacitive Touch Keypad with Cable
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