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 Hong Kong?

You can purchase the TTP223B Capacitive Touch Switch from Ubuy in Hong Kong. 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.

Is TTP223B Capacitive Touch Switch Capacitive Touch Available to Shop Online in Hong Kong?

Yes, at Ubuy Hong Kong 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.

How Long Does It Take to Get Product After Placing the Order?

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

HKD 148

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Tuesday, November 17

Secured transaction

Our Top Logistics Partners

U-Care Warranty:

None

Select a Plan

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

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)

Have any Query? Chat with us

Customer Questions & Answers

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 Hong Kong?

Answer: Yes, at Ubuy Hong Kong 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.

Garosa Capacitive Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0

1 customers ratings

5 Star

100%
4 Star

0%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

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.

Platform Trust & Buyer Confidence

3.8/5 120 reviews

Read reviews

F Zhang

Verified buyer

“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot

Roxy

Verified buyer

“Great products and services”

17 April 2026 · via Trustpilot

Khushi

Verified buyer

“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

6 July 2026 · via Trustpilot

kritika

Verified buyer

“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot

Sam

Verified buyer

“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot

WHY SHOP WITH US

Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

HKD 148

Order now and get it around Tuesday, November 17

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

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

HKD 148

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Garosa Capacitive Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Platform Trust & Buyer Confidence

WHY SHOP WITH US

Product Price History

Important information

HKD 148

Ubuy Assurance

Fast
Shipping

Free
Return^*