TTP223 Capacitive Touch Switch Module 5PCS GODIYMODULES Digital Sensor

Description

Product Overview

The TTP223 Capacitive Touch Switch Module is a compact, high‑performance sensor designed for a wide range of electronic applications. Built around the proven TTP223B touch detection IC, this module delivers a stable digital output when a human finger or conductive object approaches the sensing pad. The device operates from a flexible supply voltage range of 2 V to 5.5 V DC, making it suitable for both low‑power battery‑operated projects and standard 5 V logic circuits. Its dimensions of 3.94 × 1.98 × 0.79 inches (100 × 50 × 20 mm) and lightweight construction at 0.71 oz (20 g) allow easy integration into tight spaces, while the robust PCB layout ensures long‑term reliability even under frequent touch cycles.

Three clearly labeled pins—GND, VCC, and SIG—provide a straightforward connection scheme. GND connects to the system ground, VCC receives the supply voltage, and SIG outputs a low‑level signal in the idle state and switches to high when a touch is detected. This simple interface eliminates the need for additional components such as pull‑up resistors or complex timing circuits, reducing overall system cost and simplifying board layout. A built‑in green LED is tied to the power rail, offering immediate visual confirmation that the module is powered and ready for operation.

Manufactured by GODIYMODULES, a reputable supplier in the industrial and scientific sector, the module adheres to strict quality standards. Each unit undergoes thorough testing for sensitivity, response time, and durability before packaging. The product is listed under ASIN B0DY4MCQNJ and has achieved a notable ranking of #79 in the Capacitive Proximity Sensors sub‑category, reflecting strong market acceptance and positive user feedback. The module’s low power consumption, typically under 1 mA in standby mode, makes it an ideal choice for battery‑powered devices, wearables, and remote sensors where energy efficiency is paramount.

Usage

Designed for versatility, the TTP223 module finds application across a broad spectrum of projects. Hobbyists and makers can incorporate it into DIY electronics kits to create touch‑activated lamps, interactive displays, and custom keyboards. In robotics, the sensor serves as a reliable proximity detector for obstacle avoidance, enabling robots to respond to human presence without the need for mechanical switches. Smart home enthusiasts can integrate the module into home automation systems, using it to trigger lights, fans, or security alarms with a simple tap on a designated surface.

Industrial developers benefit from the module’s robust design and consistent performance in harsh environments. Its capacitive sensing technology is immune to dust and moisture, allowing deployment in outdoor enclosures, agricultural equipment, and factory automation panels. The module’s fast response time—typically under 10 ms—ensures real‑time interaction, which is critical for applications such as conveyor belt monitoring, safety interlocks, and user‑interface panels in medical devices.</n

Educational institutions also leverage the module for teaching concepts of capacitive sensing, digital logic, and embedded system design. The clear pinout and straightforward programming interface make it an excellent teaching tool for courses in electronics, computer engineering, and Internet of Things (IoT) development. By connecting the SIG pin to a microcontroller’s digital input, students can experiment with debounce algorithms, interrupt handling, and sensor fusion techniques.

Why Choose Us

Choosing the GODIYMODULES TTP223 Capacitive Touch Switch Module means selecting a product backed by a commitment to quality, reliability, and customer satisfaction. Our manufacturing process incorporates automated optical inspection and functional testing to guarantee that each module meets the specified performance criteria. We source high‑grade components and employ a controlled soldering process to minimize defects and ensure long‑term stability.

Our after‑sales support includes comprehensive documentation, wiring diagrams, and example code for popular microcontroller platforms such as Arduino, ESP32, and Raspberry Pi Pico. Should you encounter any issues, our technical support team is available via email and live chat to provide prompt assistance, troubleshooting guidance, and firmware updates when applicable. We also offer a flexible return policy and a one‑year warranty covering manufacturing defects, giving you confidence in the durability of your investment.

Environmental responsibility is a core value at GODIYMODULES. The module is RoHS compliant, free from hazardous substances, and packaged using recyclable materials. By selecting our product, you contribute to sustainable electronics practices while enjoying cutting‑edge technology.

Key Features

• Highly sensitive capacitive detection for reliable touch activation
• Wide operating voltage range (2‑5.5 V) for flexible power options
• Low power consumption, ideal for battery‑powered and portable devices
• Simple three‑pin interface (GND, VCC, SIG) for quick integration
• Responsive customer support and one‑year warranty for peace of mind

FAQ

What is the detection range of the TTP223 module?

The sensor can reliably detect a finger or conductive object within approximately 5 mm to 10 mm of the touch pad, depending on environmental conditions and the size of the touching object.

Can the module be used with a microcontroller that operates at 3.3 V?

Yes, the module functions correctly at 3.3 V. Simply connect the VCC pin to the 3.3 V supply and ensure that the microcontroller’s input pin is tolerant to the module’s output voltage levels.

Is the green LED mandatory for operation?

The green LED is purely an indicator of power status and does not affect the sensor’s functionality. It can be left unconnected if visual indication is not required.

How many modules can be connected to a single microcontroller?

Multiple modules can share the same VCC and GND lines, with each SIG pin connected to a separate digital input on the microcontroller. This allows independent touch detection for each module.

What is the typical response time of the sensor?

The TTP223 module typically responds to a touch event within 10 ms, providing near‑instantaneous feedback for interactive applications.