{"product_id":"ky-031-knocking-sensor","title":"KY-031 Knocking Sensor","description":"\u003ch1\u003eKY-031 Knocking Sensor Module – Product Description\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKY-031 Knocking Sensor Module\u003c\/strong\u003e is a compact digital sensor designed to detect knocks, taps, vibrations, and physical impacts. It uses a spring-based switch mechanism that momentarily changes its output state whenever a vibration or knock is detected, making it ideal for projects that require simple impact detection.\u003c\/p\u003e\n\u003cp\u003eOperating on \u003cstrong\u003e3.3V to 5V\u003c\/strong\u003e, the module is fully compatible with popular microcontroller platforms such as \u003cstrong\u003eArduino, ESP32, ESP8266, Raspberry Pi, and other embedded systems\u003c\/strong\u003e. Its digital output allows for easy integration into electronic projects without requiring complex signal processing.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDetects knocks, taps, and vibrations with high reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital output for simple microcontroller interfacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating voltage: \u003cstrong\u003e3.3V–5V DC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact, lightweight, and easy to install\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Arduino, ESP32, ESP8266, Raspberry Pi, and similar development boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSecurity and intrusion alarm systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoor knock or tap detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInteractive electronic projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmart home automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEducational and robotics projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe KY-031 is an excellent choice for beginners and professionals looking for a simple, low-cost solution for detecting physical impacts and vibration events in embedded systems and DIY electronics projects.\u003c\/p\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":53188340252961,"sku":"RPI17","price":22.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/191.png?v=1785915185","url":"https:\/\/circuit.rocks\/products\/ky-031-knocking-sensor","provider":"circuitrocks","version":"1.0","type":"link"}