{"product_id":"ttp223-capacitive-touch-button-module-single-channel-5pack","title":"TTP223 Capacitive Touch Button Module Single-Channel Self-Locking (5-Pack)","description":"\u003ch2\u003eTTP223 Capacitive Touch Button Module — Single-Channel, Self-Locking (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTTP223\u003c\/strong\u003e capacitive touch sensor module provides a single-channel touch button with configurable \u003cstrong\u003eself-locking (toggle)\u003c\/strong\u003e or \u003cstrong\u003emomentary\u003c\/strong\u003e output mode. Operating from \u003cstrong\u003e2V to 5.5V\u003c\/strong\u003e with just \u003cstrong\u003e1.5μA standby current\u003c\/strong\u003e, it replaces mechanical push buttons with a reliable, wear-free touch interface for Arduino, Raspberry Pi, and embedded projects.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC\u003c\/td\u003e\n\u003ctd\u003eTTP223-BA6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2V – 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eDigital HIGH\/LOW (active-high default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Mode\u003c\/td\u003e\n\u003ctd\u003eSelf-locking (toggle) or Momentary (via pad)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e~60ms (fast mode) \/ ~220ms (low-power mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e1.5μA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e3.5mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003eAdjustable via pad capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eOutput Mode Configuration\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePad A\u003c\/th\u003e\n\u003cth\u003ePad B\u003c\/th\u003e\n\u003cth\u003eMode\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003ctd\u003eMomentary, Active-High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShorted\u003c\/td\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003ctd\u003eSelf-Locking (Toggle), Active-High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003ctd\u003eShorted\u003c\/td\u003e\n\u003ctd\u003eMomentary, Active-Low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShorted\u003c\/td\u003e\n\u003ctd\u003eShorted\u003c\/td\u003e\n\u003ctd\u003eSelf-Locking, Active-Low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose TTP223?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Moving Parts\u003c\/strong\u003e — Capacitive sensing eliminates mechanical wear and contact bounce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby\u003c\/strong\u003e — 1.5μA standby current for battery-powered IoT devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Mode\u003c\/strong\u003e — Toggle or momentary output via solder pad — no code changes needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Supply Range\u003c\/strong\u003e — 2V–5.5V covers 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Potential\u003c\/strong\u003e — Touch through thin non-conductive materials (glass, plastic, acrylic)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino touch-activated LED or relay control\u003c\/li\u003e\n\u003cli\u003eCapacitive on\/off switch for lamps and appliances\u003c\/li\u003e\n\u003cli\u003eTouch button for LCD menu navigation\u003c\/li\u003e\n\u003cli\u003eWearable device touch input\u003c\/li\u003e\n\u003cli\u003eWaterproof panel control (touch through acrylic cover)\u003c\/li\u003e\n\u003cli\u003eReplacing mechanical buttons in humid or dusty environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Example\u003c\/h3\u003e\u003cp\u003e\u003ccode\u003epinMode(2, INPUT);\u003c\/code\u003e\u003cbr\u003e\u003ccode\u003eif (digitalRead(2) == HIGH) { \/\/ Touch detected\u003c\/code\u003e\u003cbr\u003e\u003ccode\u003e  digitalWrite(LED_PIN, !digitalRead(LED_PIN)); \/\/ Toggle LED\u003c\/code\u003e\u003cbr\u003e\u003ccode\u003e}\u003c\/code\u003e\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can TTP223 detect touch through a glass panel?\u003c\/strong\u003e\u003cbr\u003eA: Yes — up to ~5mm of non-conductive material (glass, acrylic, plastic). Thicker material reduces sensitivity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I change from momentary to toggle mode?\u003c\/strong\u003e\u003cbr\u003eA: Solder the “A” pad on the back of the module to enable self-locking (toggle) mode. No firmware changes needed.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× TTP223 Capacitive Touch Button Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"module","offer_id":46991487500523,"sku":"14:350852#module","price":5.6,"currency_code":"USD","in_stock":true},{"title":"ic","offer_id":46991487533291,"sku":"14:10#ic","price":5.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ttp223-touch-button-module.webp?v=1761538451","url":"https:\/\/keszoox.com\/products\/ttp223-capacitive-touch-button-module-single-channel-5pack","provider":"Keszoox","version":"1.0","type":"link"}