{"product_id":"ttp223b-capacitive-touch-sensor-module-arduino-switch","title":"TTP223B Capacitive Touch Sensor Module for Arduino | 2–5.5V","description":"\u003ch2\u003eTTP223B Capacitive Touch Sensor Module – Compact Switch for Arduino \u0026amp; DIY Electronics\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTTP223B Capacitive Touch Sensor Module\u003c\/strong\u003e 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.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage Range:\u003c\/strong\u003e Operates on 2V–5.5V, making it compatible with both 3.3V and 5V microcontrollers including Arduino, ESP8266, ESP32, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Consumption:\u003c\/strong\u003e Designed for energy-efficient operation — ideal for battery-powered and embedded projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacitive Touch Detection:\u003c\/strong\u003e Responds to the natural capacitance of a human finger, providing accurate and consistent switching without mechanical wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e Small form factor fits easily onto breadboards, PCBs, and custom enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm \u0026amp; Control Applications:\u003c\/strong\u003e Perfect for alarms, LED control, relay triggers, and interactive displays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition:\u003c\/strong\u003e Shipped in pristine, factory-new condition.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Safe for general electronics use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTTP223B\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlarm, Switch, Touch Control\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch3\u003eAlso Check Out These Related Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage does the TTP223B capacitive touch sensor module require?\u003c\/h4\u003e\n\u003cp\u003eA: The TTP223B module operates on a supply voltage of \u003cstrong\u003e2V to 5.5V\u003c\/strong\u003e, 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the TTP223B module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the most common applications for this capacitive touch sensor?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the module ship in new condition?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, every TTP223B capacitive touch sensor module is shipped brand new, in factory-fresh condition, ready for immediate use in your next project.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage does the TTP223B capacitive touch sensor module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Is the TTP223B module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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