TTP223B Capacitive Touch Sensor Module for Arduino

Q: What voltage does the TTP223B capacitive touch sensor module require?

The TTP223B module operates on a supply voltage of 2V to 5.5V, making it fully compatible with 3.3V systems (such as ESP8266, ESP32) and 5V systems (such as Arduino Uno and Nano) without any additional level-shifting components.

TTP223B Capacitive Touch Sensor Module for Arduino | 2–5.5V

$6.41 $7.28

TTP223B Capacitive Touch Sensor Module – Compact Switch for Arduino & DIY Electronics

The TTP223B Capacitive Touch Sensor Module is a versatile, low-power touch switch designed for seamless integration into Arduino projects, microcontroller circuits, and a wide range of DIY electronics builds. Whether you're prototyping a smart home device, an alarm system, or any interactive electronics project, this compact SMD module delivers reliable, responsive touch detection every time.

Key Features

Wide Supply Voltage Range: Operates on 2V–5.5V, making it compatible with both 3.3V and 5V microcontrollers including Arduino, ESP8266, ESP32, and more.
Ultra-Low Power Consumption: Designed for energy-efficient operation — ideal for battery-powered and embedded projects.
Capacitive Touch Detection: Responds to the natural capacitance of a human finger, providing accurate and consistent switching without mechanical wear.
Compact SMD Package: Small form factor fits easily onto breadboards, PCBs, and custom enclosures.
Alarm & Control Applications: Perfect for alarms, LED control, relay triggers, and interactive displays.
New Condition: Shipped in pristine, factory-new condition.
No High-Concern Chemicals: Safe for general electronics use.

Technical Specifications

Supply Voltage	2V – 5.5V
IC	TTP223B
Package Type	SMD
Application	Alarm, Switch, Touch Control
Quantity	1 Module
Condition	New
Country of Origin	Made in Mainland China

What Can You Build With It?

The TTP223B module is an excellent building block for makers and engineers alike. Use it to create touch-sensitive lamps, alarm triggers, capacitive keypads, interactive art installations, or any project that benefits from a clean, buttonless interface. Its broad voltage compatibility ensures it fits into virtually any electronics ecosystem.

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Frequently Asked Questions

Q: What voltage does the TTP223B capacitive touch sensor module require?

A: The TTP223B module operates on a supply voltage of 2V to 5.5V, making it fully compatible with 3.3V systems (such as ESP8266, ESP32) and 5V systems (such as Arduino Uno and Nano) without any additional level-shifting components.

Q: Is the TTP223B module compatible with Arduino?

A: Yes! The TTP223B capacitive sensor module is designed to work seamlessly with Arduino boards and other popular microcontrollers. Simply connect VCC, GND, and the signal pin to a digital input on your Arduino to start detecting touch events in your sketch.

Q: What are the most common applications for this capacitive touch sensor?

A: This module is widely used in alarm systems, touch-activated switches, LED controllers, relay triggers, smart home prototypes, interactive electronics projects, and anywhere a clean, mechanical-free touch interface is needed.