TTP223 Touch Key Switch Module – Capacitive Touch Sensor

The TTP223 touch sensor module is a compact and reliable capacitive touch solution designed to replace traditional mechanical push buttons. By using advanced capacitive sensing technology, this module detects human touch accurately and delivers a clean digital output, making it ideal for modern electronics and automation projects.

Based on the proven TTP223 IC, the TTP223 touch sensor module offers stable performance with low power consumption. It operates smoothly with Arduino, ESP8266, ESP32, and other microcontroller platforms. The touch pad responds instantly when touched, providing silent operation without mechanical wear or bounce issues.

This capacitive touch module supports both momentary and toggle output modes through onboard configuration, allowing flexibility across different applications. Its compact PCB design makes it easy to integrate into control panels, smart devices, and space-constrained embedded systems.

Because there are no moving parts, this capacitive touch sensor module ensures longer lifespan and improved durability. It is widely used in touch lamps, smart switches, home automation systems, and interactive electronics projects. Whether you are a beginner experimenting with touch inputs or a professional designing a polished product, this module delivers consistent and dependable results.

Key Features of TTP223 Touch Sensor Module

• Capacitive touch sensing with high sensitivity

• Replaces traditional mechanical push buttons

• Stable digital output for microcontroller input

• Supports momentary and toggle operating modes

• Low power consumption design

• Compact and lightweight PCB module

• Compatible with Arduino, ESP32, and ESP8266

Technical Specifications – Capacitive Touch Sensor Module

• IC Used: TTP223

• Operating Voltage: 2V – 5.5V

• Output Type: Digital (HIGH / LOW)

• Touch Method: Capacitive sensing

• Response Time: Instant touch detection

• PCB Type: Single-channel touch module

• Interface: 1 × signal output pin

Applications of TTP223 Touch Key Module

• Touch-controlled lamps and switches

• Home automation systems

• DIY electronics and hobby projects

• Interactive display panels

• Embedded and IoT applications

Why Choose This Touch Sensor Module?

• Silent operation with no mechanical wear

• Easy to integrate into existing circuits

• Improves product durability and reliability

• Suitable for beginners and professionals

Bullet Points:

• ✅ TTP223 touch sensor module with capacitive technology

• ✅ Reliable replacement for mechanical push buttons

• ✅ Digital output compatible with microcontrollers

• ✅ Low power consumption and compact size

• ✅ Ideal for automation, IoT, and DIY electronics