TTP223 Touch Key Module

The TTP223 Touch Key Module is a compact capacitive touch sensor module designed to replace traditional mechanical push buttons with a reliable touch-sensitive interface. Based on the TTP223 capacitive touch sensor IC, it detects finger touch through direct contact or thin non-conductive materials such as plastic, glass, or acrylic. The module provides a digital HIGH/LOW output, making it easy to interface with Arduino, ESP32, STM32, Raspberry Pi, and other microcontroller platforms. Featuring low power consumption, fast response, and configurable operating modes, the TTP223 Touch Key Module is ideal for touch switches, smart home devices, consumer electronics, robotics, and IoT projects. Available at Directronics, it is suitable for students, hobbyists, makers, educators, and professional engineers. (Directronics)

Features:

• Based on TTP223 Capacitive Touch Sensor IC

• Single-Channel Capacitive Touch Detection

• Digital HIGH/LOW Output

• Supports Momentary and Toggle Modes

• Supports Active HIGH and Active LOW Output

• Fast Touch Response

• Low Power Consumption

• Onboard Status LED Indicator

• Compact and Lightweight PCB Design

• Reliable Touch Detection Through Thin Non-Conductive Surfaces

• Compatible with Arduino, ESP32, STM32, Raspberry Pi, and Other Controllers

• Ideal for Touch-Based User Interfaces and Automation Projects

Why Choose TTP223 Touch Key Module?

• Replaces mechanical push buttons with touch sensing

• Easy digital interface for microcontrollers

• Supports multiple output modes via solder pad configuration

• Compact design suitable for embedded applications

• Reliable and maintenance-free operation

• Suitable for beginners, students, hobbyists, and professionals

Applications:

• Touch Switches

• Smart Home Automation

• Consumer Electronics

• Home Appliance Control Panels

• Interactive Projects

• IoT Devices

• Robotics Projects

• Electronic Doorbells

• Educational Electronics Projects

• Prototype Development

Technical Specifications:

• Product Type: Capacitive Touch Sensor Module

• Sensor IC: TTP223

• Touch Channels: 1

• Operating Voltage: 2.0V–5.5V DC

• Output Type: Digital (HIGH / LOW)

• Default Output Mode: Active HIGH, Momentary

• Response Time: Approximately 60ms (Fast Mode)

• Touch Detection Distance: Up to 5mm (Material Dependent)

• Operating Modes: Momentary / Toggle (Configurable)

• Output Logic: Active HIGH / Active LOW (Configurable)

• Operating Temperature: -20°C to +70°C

• Module Dimensions: Approximately 15 × 11mm

Package Includes:

• 1 × TTP223 Touch Key Module

Related Products:

• Arduino Uno

• ESP32 38Pin Development Board

• Raspberry Pi Pico W

• Relay Module

• LED Module

• Active Buzzer Module

• OLED Display Module (I2C)

• Breadboard

• Jumper Wire Kit

• 5V DC Power Supply Module

Why Buy from Directronics?

Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life.

Note:

Product images are for illustration purposes only. Actual PCB color, dimensions, component placement, and solder jumper configuration may vary depending on the manufacturing batch. The TTP223 Touch Key Module detects changes in capacitance and may be affected by nearby conductive objects, moisture, or electrical noise. The default configuration is momentary output with active HIGH logic, while toggle mode and active LOW output can be enabled by modifying the onboard solder jumpers. For best performance, avoid mounting the module near strong electromagnetic interference sources.