Description
Product Overview
The Blue TTP223B capacitive touch sensor switch from Ruiwaer is a compact, high‑performance module designed for a wide range of electronic applications. Measuring 6.69 × 4.72 × 0.63 inches and weighing just 2.01 ounces, the unit is lightweight yet robust, making it suitable for both portable and stationary installations. The sensor utilizes the TTP223B IC, a proven digital capacitive touch controller that delivers reliable detection with low power consumption. Its dual‑side touch capability means that both the front and back surfaces can serve as active touch areas, enabling designers to create hidden or ergonomic buttons on non‑metallic substrates such as plastic, glass, or thin paper overlays. Four M2 screw positioning holes provide a secure mounting method, allowing the module to be affixed directly to a panel or enclosure without the need for additional brackets. The module operates in a low‑power standby mode, outputting a low level when untouched, and switches to a high‑level output instantly upon finger contact, supporting fast response times for real‑time control systems. Manufactured by Ruiwaer, a reputable supplier in the industrial and scientific sector, the product holds a best‑sellers rank of #578,924 in Industrial & Scientific and #58 in Capacitive Proximity Sensors, reflecting its growing popularity among hobbyists and professionals alike.
Usage
This sensor module excels in environments where space is limited and a clean, button‑free interface is desired. It is ideal for DIY electronics projects, such as custom Arduino or Raspberry Pi controllers, where users can replace mechanical switches with sleek touch surfaces. In industrial settings, the sensor can be integrated into machinery control panels, safety interlocks, or equipment monitoring stations, providing a reliable, maintenance‑free input method that resists dust and moisture. The ability to mount the sensor on non‑metallic panels expands its applicability to consumer appliances, smart home devices, and interactive displays. Because the module outputs a standard digital high/low signal, it can be directly interfaced with microcontrollers, PLCs, or relay drivers without additional conditioning circuitry. The low power draw makes it suitable for battery‑operated devices, while the fast response ensures timely actuation in time‑critical applications such as alarm systems or robotic controls. Whether you are building a touch‑activated lamp, a touch‑sensitive vending machine interface, or a prototype for a wearable device, the Blue TTP223B offers a versatile and cost‑effective solution.
Why Choose Us
Choosing the Ruiwaer Blue TTP223B sensor means selecting a product backed by rigorous quality assurance and a commitment to customer satisfaction. Each module undergoes comprehensive testing for sensitivity, durability, and electrical stability, ensuring consistent performance across a wide temperature range. Ruiwaer’s experience in industrial sensor manufacturing translates into a product that meets international safety standards and offers long‑term reliability, reducing the risk of premature failure in critical applications. In addition, the company provides responsive technical support, detailed datasheets, and application notes to help engineers integrate the sensor quickly and efficiently. The 10‑piece packaging offers immediate inventory for small‑batch production or prototyping, eliminating the need for multiple orders and reducing lead times. With a competitive price point of $7.99 per unit, the sensor delivers excellent value without compromising on functionality or build quality. Customers also benefit from a straightforward return policy and warranty coverage, reinforcing confidence in the purchase.
Key Features
- Dual‑side touch detection lets you create hidden buttons on any non‑metal surface.
- Four M2 screw mounting holes enable fast, secure installation without extra hardware.
- Low‑power standby mode conserves energy, perfect for battery‑powered projects.
- Compact size and lightweight design fit into tight spaces and portable devices.
- Ruiwaer’s dedicated support team offers technical assistance and a reliable warranty.
FAQ
Can the sensor be used on glass surfaces?
Yes, the capacitive touch technology works on non‑metallic materials such as glass, acrylic, and plastic, allowing you to mount the module on transparent panels for sleek designs.
What is the output signal type?
The module provides a standard digital high/low output that can be directly connected to microcontroller GPIO pins, relay drivers, or PLC inputs.
How does the dual‑side touch feature work?
Both the front and back faces of the sensor are electrically active, so a finger touch on either side triggers the same output response, enabling flexible placement of touch areas.
Is the sensor compatible with 5 V and 3.3 V systems?
Yes, the TTP223B IC operates reliably within a supply voltage range of 2 V to 5.5 V, making it suitable for both 5 V and 3.3 V logic environments.
What is the recommended mounting method for plastic enclosures?
Use the four M2 screw holes to secure the module directly to the interior of the plastic enclosure. A thin layer of non‑conductive adhesive or a paper overlay can be added to create a seamless hidden button surface.




Adafruit Standalone Toggle Capacitive Touch Sensor Breakout AT42QT1012
Reviews
There are no reviews yet.