{"product_id":"hc-89-interrupt-sensor","title":"HC-89 Interrupt Sensor","description":"\u003cmeta name=\"description\" content=\"Buy HC89 Interrupt Sensor online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eHC-89 Interrupt Sensor\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eHC-89 Interrupt Sensor\u003c\/strong\u003e is a compact, slotted optical switch module designed for precise object detection, position sensing, and counting applications. Featuring an infrared LED and phototransistor pair housed in a U-shaped gap, this sensor reliably detects when an object passes through or interrupts the optical beam - making it essential for encoder wheels, motor speed measurement, end-stop detection, and automated counting systems. Available now at \u003cstrong\u003eThe Tech Depot, Bengaluru\u003c\/strong\u003e with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eSlotted Optical Interrupt (Transmissive Photointerrupter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHC-89\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Method\u003c\/td\u003e\n\u003ctd\u003eInfrared LED + Phototransistor Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eDigital (High\/Low) with onboard comparator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Comparator IC\u003c\/td\u003e\n\u003ctd\u003eLM393 (or equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003e~5mm (gap for object interruption)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Object\u003c\/td\u003e\n\u003ctd\u003eOpaque objects passing through the slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eFast (microsecond-level switching)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Indicator\u003c\/td\u003e\n\u003ctd\u003eOnboard LED for visual status feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer for threshold tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Pins\u003c\/td\u003e\n\u003ctd\u003eVCC, GND, DO (Digital Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eBolt holes for secure PCB or chassis mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (approx.)\u003c\/td\u003e\n\u003ctd\u003e32mm x 14mm x 7mm (module board)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, and all major microcontrollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7 Technical Assistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Optical Design:\u003c\/strong\u003e U-shaped gap with aligned IR emitter and detector provides clean, reliable beam-break detection without physical contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard LM393 Comparator:\u003c\/strong\u003e Converts analog phototransistor output into a clean digital HIGH\/LOW signal, eliminating noisy or ambiguous readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity:\u003c\/strong\u003e Built-in potentiometer lets you fine-tune the detection threshold to accommodate different object sizes and ambient conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Status LED:\u003c\/strong\u003e Onboard indicator LED lights up when the beam is interrupted, enabling quick testing and debugging without a microcontroller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates reliably at both 3.3V and 5V logic levels, ensuring seamless integration with Arduino, ESP32, Raspberry Pi, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrosecond Response:\u003c\/strong\u003e Extremely fast switching time makes it ideal for high-speed counting, RPM measurement, and real-time position feedback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple 3-Pin Interface:\u003c\/strong\u003e Just VCC, GND, and Digital Output - connect directly to any microcontroller GPIO pin with no additional components required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Contact Detection:\u003c\/strong\u003e Optical sensing means zero mechanical wear, ensuring long operational life even in continuous-use applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Small form factor with mounting holes allows easy integration into enclosures, robotic arms, conveyor frames, and 3D printer assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the HC-89 Interrupt Sensor?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic:\u003c\/strong\u003e Sourced directly from trusted, authorized suppliers - guaranteed genuine components and reliable performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Simplicity:\u003c\/strong\u003e No complex wiring or external pull-up resistors needed; the onboard comparator circuit handles signal conditioning for you\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application Range:\u003c\/strong\u003e From simple object counting to precision motor encoders, this single module serves dozens of use cases across hobby and industrial projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Tech Depot \u0026amp; Repeatable:\u003c\/strong\u003e Optical beam-break detection delivers consistent results unaffected by object color, surface texture, or material (as long as the object is opaque)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent for Learning:\u003c\/strong\u003e Clear operating principle (light interruption) makes it an ideal teaching tool for understanding digital inputs, interrupts, and sensor interfacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 days shipping:\u003c\/strong\u003e Dispatched from our Bengaluru warehouse with same-day delivery available within Bengaluru city\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Technical Support:\u003c\/strong\u003e Expert guidance via email and WhatsApp to help you with wiring, code, and troubleshooting - included free with every purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe HC-89 Interrupt Sensor operates on the \u003cstrong\u003etransmissive photointerrupter\u003c\/strong\u003e principle. One side of the U-shaped slot contains an \u003cstrong\u003einfrared LED\u003c\/strong\u003e that continuously emits an IR beam. Directly opposite, a \u003cstrong\u003ephototransistor\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy HC-89 Interrupt Sensor Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eHC-89 Interrupt Sensor\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eHC-89 Interrupt Sensor\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eHC-89 Interrupt Sensor\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746533126401,"sku":"TTD-17363","price":32.86,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/fe05e5d838464f54c3bb37a1f5f548a7.jpg?v=1778106977","url":"https:\/\/techdepot.in\/products\/hc-89-interrupt-sensor","provider":"Tech Depot India","version":"1.0","type":"link"}