{"product_id":"r307-optical-fingerprint-sensor-module","title":"R307 Optical Fingerprint Sensor Module","description":"\u003cmeta name=\"description\" content=\"Buy R307 Optical Fingerprint Sensor Module 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\u003ch1\u003eR307 Optical Fingerprint Sensor Module\u003c\/h1\u003e\n\u003cp\u003eThe R307 Optical Fingerprint Sensor Module is a high-performance biometric solution designed for secure fingerprint recognition in embedded systems and microcontroller projects. Featuring a built-in high-speed DSP processor and onboard flash memory capable of storing up to 1,000 fingerprint templates, this module delivers fast, reliable identification with a low false acceptance rate. Communicating via UART\/TTL serial interface, it integrates seamlessly with Arduino, Raspberry Pi, ESP32, and other popular development platforms. Ideal for access control systems, attendance machines, smart locks, and IoT security applications. Available at The Tech Depot, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and dedicated 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\u003eOptical Fingerprint Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eR307\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eBuilt-in High-Speed DSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFingerprint Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 1,000 Templates (Onboard Flash)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e500 DPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Capture Size\u003c\/td\u003e\n\u003ctd\u003e256 x 288 Pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerification Speed\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 Second (1:1 Matching)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSearch Speed\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 Second (1:N, N = 1,000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFalse Acceptance Rate (FAR)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.001%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFalse Rejection Rate (FRR)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eUART \/ TTL Serial (Default Baud Rate: 57600 bps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.8V - 7.0V DC (Typical 5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 120mA (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklight\u003c\/td\u003e\n\u003ctd\u003eGreen LED Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWindow Dimensions\u003c\/td\u003e\n\u003ctd\u003e19mm x 21mm (Sensing Area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 55mm x 32mm x 21.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eJST 4-Pin (VCC, TX, RX, GND)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 degreesC to +50 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, Raspberry Pi, ESP32, ESP8266, STM32, PIC \u0026amp; Other MCUs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLibrary Support\u003c\/td\u003e\n\u003ctd\u003eAdafruit Fingerprint Sensor Library (Arduino IDE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose the R307 Optical Fingerprint Sensor Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOnboard DSP processor handles all fingerprint enrollment, matching, and searching - minimal load on your host microcontroller\u003c\/li\u003e\n\u003cli\u003eStores up to 1,000 fingerprint templates in built-in flash memory with no external storage required\u003c\/li\u003e\n\u003cli\u003e500 DPI optical resolution ensures accurate capture of fine ridge details for reliable identification\u003c\/li\u003e\n\u003cli\u003eUltra-low false acceptance rate (\u0026lt; 0.001%) provides high-security biometric authentication\u003c\/li\u003e\n\u003cli\u003eSimple 4-wire UART\/TTL interface (VCC, TX, RX, GND) makes wiring and integration straightforward\u003c\/li\u003e\n\u003cli\u003eWide voltage tolerance (3.8V - 7V) allows direct connection to both 5V and 3.3V logic systems\u003c\/li\u003e\n\u003cli\u003eExtensive library support including the popular Adafruit Fingerprint Sensor Library for Arduino IDE\u003c\/li\u003e\n\u003cli\u003eSub-second verification and search speeds suitable for real-time access control applications\u003c\/li\u003e\n\u003cli\u003eCompact form factor fits easily into enclosures for smart locks, attendance terminals, and embedded devices\u003c\/li\u003e\n\u003cli\u003e100% authentic module sourced directly from authorized distributors - authentication verified\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse; same-day delivery within Bengaluru\u003c\/li\u003e\n\u003cli\u003eExpert technical support included to help you with wiring, coding, and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiometric Door Lock System:\u003c\/strong\u003e Build a secure smart lock using Arduino or ESP32 that grants access only to enrolled fingerprints, replacing traditional keys or PINs with reliable biometric authentication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFingerprint Attendance System:\u003c\/strong\u003e Create an automated attendance tracker for offices, classrooms, or workshops that logs check-in and check-out times with fingerprint verification and stores records on an SD card or cloud database.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Secure Access Control:\u003c\/strong\u003e Combine the R307 with an ESP32 or Raspberry Pi and a solenoid\/electric strike to build a WiFi-connected access control system with remote monitoring, real-time notifications, and web dashboard management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiometric Voting Machine:\u003c\/strong\u003e Design a secure electronic voting system for college elections or society meetings where each voter authenticates via fingerprint to prevent duplicate voting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFingerprint-Activated Safe or Locker:\u003c\/strong\u003e Integrate the sensor into a personal safe or storage lo\u003c\/li\u003e\n\u003c\/ul\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 R307 Optical Fingerprint Sensor Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eR307 Optical Fingerprint Sensor Module\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\u003eR307 Optical Fingerprint Sensor Module\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\u003eR307 Optical Fingerprint Sensor Module\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":48746541809921,"sku":"TTD-17517","price":1088.62,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/d57fcef5eaf41f2a51ee991cdc4027f9.jpg?v=1778107183","url":"https:\/\/techdepot.in\/products\/r307-optical-fingerprint-sensor-module","provider":"Tech Depot India","version":"1.0","type":"link"}