TTP224 4-Way CapTTP224 4-way Capacitive Touch Switchacitive Touch Switch Module – 4-Channel Touch Sensor
The TTP224 4-Way Capacitive Touch Switch Module is a compact 4-channel touch sensor designed for touch-based user interfaces in embedded systems and electronic projects. Powered by the TTP224 capacitive touch sensing IC, this module detects finger touch without requiring mechanical buttons, providing a reliable, responsive, and long-lasting input solution for modern electronic devices.
Featuring four independent touch-sensitive pads, the TTP224 4-Way Capacitive Touch Switch supports multiple output configurations and can be easily interfaced with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers. Its low power consumption, stable performance, and compact PCB design make it ideal for smart home devices, control panels, DIY electronics, and automation projects.
🔧 Key Features
- Four independent capacitive touch sensing channels
- Based on the reliable TTP224 touch sensor IC
- No mechanical switches required for longer service life
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers
- Low power consumption with fast touch response
- Compact PCB design suitable for embedded applications
📐 Technical Specifications
| Product Name | TTP224 4-Way Capacitive Touch Switch Module |
| Keyword | TTP224 4-Way Capacitive Touch Switch |
| Touch Controller IC | TTP224 |
| Number of Touch Keys | 4 Independent Channels |
| Operating Voltage | 2.4V – 5.5V DC |
| Output Type | Digital Output |
| Interface | VCC, GND, OUT1, OUT2, OUT3, OUT4 |
| Touch Detection | Capacitive Finger Touch |
| Logic Compatibility | 3.3V & 5V Microcontrollers |
| Operating Temperature | -20°C to +70°C |
| Applications | Touch Panels, Home Automation, Consumer Electronics, DIY Projects |

📌 Applications
- Touch-operated control panels
- Arduino and Raspberry Pi electronics projects
- Smart home and IoT devices
- Consumer electronic products and appliances
- DIY embedded systems and automation projects
💡 Why Choose This TTP224 Touch Switch?
The TTP224 4-Way Capacitive Touch Switch Module offers a reliable and maintenance-free alternative to traditional push buttons. Its four independent touch channels, low power operation, and excellent compatibility with popular development platforms make it an ideal solution for modern touch interfaces, smart control panels, and embedded electronics.
📦 Package Includes
- 1 × TTP224 4-Way Capacitive Touch Switch Module















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