What is the TTP223B Capacitive Touch Switch and how does it work?

The TTP223B Capacitive Touch Switch is a touch sensor module designed to detect capacitive signals from touch input. It operates by measuring changes in capacitance that occur when a user touches the sensor pad. This technology allows for a smooth, contactless user interface, making it ideal for various applications, including home automation, light dimmers, and interactive displays. For instance, you can implement it in your DIY projects, such as creating a touch-sensitive lamp or a control panel for your electronics.

What are the main applications of the TTP223B module?

The TTP223B module is versatile and can be used in multiple applications like smart home devices, touch-sensitive lamps, and electronic control panels. Its low power consumption makes it suitable for battery-operated devices. You could use it to enhance interactivity in merchandise displays or build a custom capacitive touch dimmer switch that adjusts lighting based on user input. Its straightforward design allows hobbyists and engineers to easily integrate it into new and existing products.

Is the TTP223B Capacitive Touch Switch sensitive to water or moisture?

Yes, the TTP223B module is sensitive to moisture, which can affect its performance. While it is designed for capacitive sensing, excessive moisture can lead to false positives or erratic behavior. For optimal use, install the sensor in a dry environment or use a protective enclosure if deployed in areas prone to humidity, such as bathrooms or kitchens. This will ensure reliable operation and accurate touch detection even in challenging conditions.

How do I connect the TTP223B module to a microcontroller?

Connecting the TTP223B module to a microcontroller is quite straightforward. You'll typically connect the VCC pin to a power source, the GND pin to the ground, and the SIG pin to a digital input on your microcontroller. Once connected, you can write simple code to read the touch status and trigger outputs or actions accordingly. This setup is ideal for beginners looking to create interactive projects, such as a touch-activated light or sound system.

Can I use the TTP223B for dimming lights? If so, how?

Absolutely! The TTP223B module can be implemented as a capacitive dimmer switch by connecting it to a compatible dimmable LED driver or relay. You would program the microcontroller to adjust the brightness based on the number of touches or how long the touch is held. It’s perfect for creating a modern, touch-based lighting control system in your home. This technology gives greater control over lighting ambiance while eliminating the need for traditional switches.

What input voltage does the TTP223B module require?

The TTP223B module typically requires a DC input voltage of 2.0V to 5.5V, making it adaptable for many electronic projects. This flexibility allows integration into a wide range of microcontroller boards and systems, whether powered by batteries or an external power supply. Always check your power source to ensure compatibility, which can help avoid damage to the module and ensure stable operation in your applications.

What are the dimensions of the TTP223B touch sensor module?

The TTP223B touch sensor module is compact, with dimensions typically around 20mm x 20mm. This small size makes it perfect for fitting into tight spaces or incorporating into sleek designs. Such compactness allows for a seamless user experience in residential or commercial products where traditional switches are impractical, providing a modern aesthetic without clutter.

Is the TTP223B capable of detecting multiple touch points?

No, the TTP223B module is designed to detect a single touch point at a time. If multiple touches are necessary for your application, consider using an array of TTP223B modules or a different sensor designed for multi-touch capabilities. This limitation allows for simplicity and reliability in touch detection, making it great for basic applications such as single-button interfaces or simple light control.

What precautions should I take when using the TTP223B module?

When using the TTP223B module, it is essential to avoid installing it near sources of strong electromagnetic interference, as this can affect performance. Additionally, use a proper housing to prevent damage from dust or moisture. It is advisable to test the sensor in its environment before final installation. Such practices ensure the longevity and effectiveness of the module in your electronic projects.

Where can I buy the TTP223B Capacitive Touch Switch in India?

You can purchase the TTP223B Capacitive Touch Switch from Ubuy in India. Ubuy offers a diverse selection of electronic components and modules, making it an excellent choice for sourcing the TTP223B. Ubuy also provides detailed product information and customer support, helping you make the right decision for your projects.

How to Shop TTP223B Capacitive Touch Switch Capacitive Touch Online From Ubuy?

It’s easy to shop TTP223B Capacitive Touch Switch Capacitive Touch online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

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The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Garosa

TTP223B Capacitive Touch Switch Capacitive Touch Sensor Module Low Power Consumption Touch Sensor Switch Digital Capacitive Dimmer Switch Module DC 2~5.5V (12PCS)

Garosa

Item #: 40685321

TTP223B Capacitive Touch Switch Capacitive Touch Sensor Module Low Power Consumption Touch Sensor Switch Digital Capacitive Dimmer Switch Module DC

87% of respondents would recommend this to a friend

Item #: 40685321

INR 1788

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What Stands Out

Low Power Consumption

Designed for efficiency, this switch operates at minimal power levels, making it ideal for battery-operated devices and energy-saving applications.

Versatile Voltage Range

Compatible with a wide input range of 2 to 5.5V, the module easily integrates into various electronic projects and devices, enhancing versatility.

Touch-Activated Control

The capacitive touch technology offers a seamless user experience, allowing for precise touch activation over traditional mechanical switches, increasing reliability and reducing wear.

Product Details

Who Should Buy?

DIY Enthusiasts
Ideal for hobbyists looking to create touch-sensitive projects and interactive electronics.
Home Automation
Perfect for integrating into smart home systems to control lighting and appliances seamlessly.
Low-Power Devices
Suitable for battery-operated devices where low power consumption is crucial for extended usage.

High-Power Applications
Not suitable for devices requiring high-voltage or current, as it operates within low power limits.

Product Description

TTP223B Capacitive Touch Switch Capacitive Touch Sensor Module Low Power Consumption Touch Sensor Switch Digital Capacitive Dimmer Switch Module DC 2~5.5V (12PCS)

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Question: How to Shop TTP223B Capacitive Touch Switch Capacitive Touch Online From Ubuy?

Answer: It’s easy to shop TTP223B Capacitive Touch Switch Capacitive Touch online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is TTP223B Capacitive Touch Switch Capacitive Touch Available to Shop Online in India?

Answer: Yes, at Ubuy India this product is available for you to shop at a reasonable price. The TTP223B Capacitive Touch Switch Capacitive Touch is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Pros

Very low power consumption
Easy to use and integrate
Highly responsive touch mechanism
Compact and lightweight design
Versatile for various applications

Cons

Sensitivity may vary in different conditions.

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“It is really an amazing experince on importing items from US. Very simlified procedure of custom duty handling. The delivery was also done in lightning seed.”

20 September 2026 · via Trustpilot

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“Highly recommended for hard-to-find items Extremely satisfied with my purchase on Ubuy. I was initially unsure about ordering from an international seller, but everything went without a hitch. All customs and shipping details were handled seamlessly with zero surprise fees at delivery. The product is 100% genuine and well-packaged. Highly recommended for rare or imported products!”

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TTP223B Capacitive Touch Switch Capacitive Touch Sensor Module Low Power Consumption Touch Sensor Switch Digital Capacitive Dimmer Switch Module DC

INR 1788

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