{"product_id":"grow-k236-a-fingerprint-control-board","title":"GROW K236-A Fingerprint Control Board","description":"\u003cmeta name=\"description\" content=\"Buy GROW K236-A Fingerprint Control Board 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\n\u003ch1\u003eGROW K236-A Fingerprint Control Board\u003c\/h1\u003e\n\n\u003cp\u003eThe GROW K236-A Fingerprint Control Board is a sophisticated biometric access control module designed for secure door lock systems and attendance management applications. Security professionals, system integrators, and facility managers use this board to implement fingerprint-based authentication in residential, commercial, and industrial environments. This product solves the critical challenge of providing tamper-proof, non-transferable access control by eliminating the need for physical keys or cards that can be lost, duplicated, or stolen.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe GROW K236-A operates on advanced capacitive fingerprint sensing technology combined with a dedicated microcontroller that processes biometric data in real-time. The board integrates a high-resolution fingerprint sensor capable of capturing 500 DPI images with automatic image enhancement algorithms. It features built-in template matching algorithms that compare live fingerprints against stored templates with false rejection rates below 0.1% and false acceptance rates below 0.01%, ensuring reliable authentication even in challenging environmental conditions. The board communicates via industry-standard Wiegand protocol or RS485 serial interface, making integration seamless with existing access control systems and smart lock mechanisms.\u003c\/p\u003e\n\n\u003cp\u003eWhat distinguishes the K236-A is its robust processing capability housed in a compact form factor with industrial-grade components rated for extended temperature ranges from 0°C to 50°C. The board supports enrollment of up to 3000 fingerprint templates with fast matching speeds under 500 milliseconds. It includes dedicated relay outputs for lock control circuits and status feedback inputs for door sensors. The onboard power management circuit provides stable operation across 12V DC input with current draw under 200mA during normal operation, making it suitable for battery-backed systems. Built-in surge protection and EMI filtering ensure reliability in electrically noisy industrial environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFingerprint Biometric Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGROW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eK236-A\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 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFingerprint Sensor Resolution\u003c\/td\u003e\n\u003ctd\u003e500 DPI capacitive sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemplate Storage Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 3000 fingerprint templates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMatching Speed\u003c\/td\u003e\n\u003ctd\u003eLess than 500 milliseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFalse Rejection Rate\u003c\/td\u003e\n\u003ctd\u003eBelow 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFalse Acceptance Rate\u003c\/td\u003e\n\u003ctd\u003eBelow 0.01%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12V DC, 200mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eWiegand or RS485 serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Output\u003c\/td\u003e\n\u003ctd\u003eSingle relay for lock control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact industrial form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Resolution Fingerprint Sensor: 500 DPI capacitive technology with automatic image enhancement for reliable capture in various lighting and moisture conditions\u003c\/li\u003e\n\u003cli\u003eLarge Template Database: Supports enrollment and storage of up to 3000 unique fingerprint templates with rapid matching algorithms under 500ms\u003c\/li\u003e\n\u003cli\u003eIndustrial-Grade Reliability: Operates across extended temperature range 0°C to 50°C with surge protection and EMI filtering for harsh environments\u003c\/li\u003e\n\u003cli\u003eDual Communication Protocol: Flexible Wiegand or RS485 serial interface for seamless integration with existing access control systems and smart lock platforms\u003c\/li\u003e\n\u003cli\u003eIntegrated Relay Control: Built-in relay output for direct lock mechanism control with status feedback inputs for door sensor integration\u003c\/li\u003e\n\u003cli\u003eLow False Acceptance Rate: Advanced template matching with less than 0.01% FAR ensures secure authentication and prevents unauthorized access\u003c\/li\u003e\n\u003cli\u003ePower-Efficient Design: Optimized current draw of 200mA typical at 12V DC, suitable for battery-backed and solar-powered installations\u003c\/li\u003e\n\u003cli\u003eCompact Industrial Packaging: Space-efficient design for integration into door frames, access panels, and control enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eResidential Smart Door Locks: Integration into apartment entrance systems and villa security gates for keyless biometric access with audit trails of entry attempts\u003c\/li\u003e\n\u003cli\u003eCorporate Office Access Control: Implementation in employee attendance systems and restricted area door locks for secure facility management and time tracking\u003c\/li\u003e\n\u003cli\u003eBank and Financial Institutions: High-security vault and safe deposit locker systems requiring multi-factor authentication with tamper-proof biometric verification\u003c\/li\u003e\n\u003cli\u003eIndustrial Manufacturing Plants: Machine access control and equipment authorization systems preventing unauthorized operation in hazardous production environments\u003c\/li\u003e\n\u003cli\u003eHealthcare Facilities: Controlled access to pharmacy, laboratory, and patient record storage areas with automatic logging of personnel access for compliance auditing\u003c\/li\u003e\n\u003cli\u003eData Centers and Server Rooms: Biometric-based entry systems for sensitive infrastructure protection with real-time access monitoring and incident reporting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by mounting the GROW K236-A fingerprint control board in your access control enclosure or door frame assembly, ensuring the sensor window faces outward for user interaction. Connect the 12V DC power supply to the designated power input terminals, ensuring proper polarity to avoid component damage. Establish communication between the board and your host controller or smart lock system using either Wiegand protocol or RS485 serial connection as per your system architecture. Configure the board's operating parameters through the designated programming interface, setting security levels, timeout durations, and relay activation patterns according to your access control requirements.\u003c\/p\u003e\n\n\u003cp\u003eDuring initial setup, enroll authorized users by capturing their fingerprints through the sensor interface. The board will automatically process and store the biometric template in its internal memory. For each enrollment, guide users to place their finger on the sensor surface with consistent pressure and angle for optimal template quality. Once enrollment is complete, test the authentication process by having users attempt to unlock the system with their enrolled fingerprints. Monitor the relay output to confirm proper lock mechanism activation. Configure backup access methods and emergency override procedures according to your security policy. Regularly verify system logs and access records to ensure proper functioning and detect any unauthorized access attempts or system anomalies.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum number of fingerprints that can be stored in the K236-A board?\u003c\/summary\u003e\n\u003cp\u003eThe GROW K236-A supports storage of up to 3000 unique fingerprint templates. Each template requires approximately 512 bytes of memory, allowing large-scale deployment in multi-user access control systems. When the template database reaches capacity, you can selectively delete unused templates or upgrade to a higher-capacity variant to accommodate additional users.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow fast does the K236-A board authenticate a fingerprint?\u003c\/summary\u003e\n\u003cp\u003eThe fingerprint matching process completes in less than 500 milliseconds from the moment a user places their finger on the sensor. This rapid response time ensures smooth user experience without noticeable delays during access attempts. The matching speed remains consistent regardless of database size, thanks to optimized algorithm implementation in the onboard microcontroller.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the K236-A integrate with existing Wiegand-based access control systems?\u003c\/summary\u003e\n\u003cp\u003eYes, the K236-A features a dedicated Wiegand output interface compatible with standard access control readers and controllers. It transmits matched fingerprint IDs in 26-bit or 34-bit Wiegand format, allowing direct integration into legacy systems without requiring additional interface converters. This makes it ideal for retrofitting existing access control infrastructure with biometric capabilities.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the power consumption of the K236-A board during normal operation?\u003c\/summary\u003e\n\u003cp\u003eThe board draws approximately 200mA at 12V DC during normal operation, consuming about 2.4 watts. This low power consumption makes it suitable for battery-backed systems and solar-powered installations. During standby mode with the sensor inactive, current draw reduces further, extending battery life in off-grid applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the K236-A suitable for outdoor installations?\u003c\/summary\u003e\n\u003cp\u003eThe K236-A is rated for operating temperatures from 0°C to 50°C, making it suitable for most indoor and covered outdoor environments. However, for direct outdoor exposure to rain, dust, or extreme temperatures, we recommend housing the board in a weatherproof enclosure with proper ventilation. The board includes surge protection and EMI filtering for industrial environments, but additional protection may be needed for harsh coastal or tropical conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. 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 for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy GROW K236-A Fingerprint Control Board Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eGROW K236-A Fingerprint Control Board\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eGROW K236-A Fingerprint Control Board\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745108537601,"sku":"TTD-14548","price":3178.94,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/27835def6ba462a590a4617cf474e89f.jpg?v=1778082091","url":"https:\/\/techdepot.in\/products\/grow-k236-a-fingerprint-control-board","provider":"Tech Depot India","version":"1.0","type":"link"}