{"product_id":"parallax-28317-tsl1401-linescan-sensor-daughterboard","title":"Parallax 28317 TSL1401 Linescan Sensor Daughterboard","description":"\u003cmeta name=\"description\" content=\"Buy Parallax 28317 TSL1401 Linescan Sensor Daughterboard online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eParallax 28317 TSL1401 Linescan Sensor Daughterboard\u003c\/h1\u003e\n\n\u003cp\u003eThe Parallax 28317 TSL1401 Linescan Sensor Daughterboard is a high-precision linear image sensor module designed for capturing one-dimensional pixel arrays with 128 photodiodes arranged in a single row, enabling real-time line scanning applications. Professional developers, roboticists, and embedded systems engineers utilize this daughterboard for machine vision projects, barcode reading systems, and optical inspection applications where fast sequential image data acquisition is critical. This sensor solves the challenge of capturing linear motion data and edge detection in resource-constrained environments by providing direct parallel output to microcontroller platforms like Parallax Propeller and Arduino-compatible boards.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe TSL1401 linescan sensor operates on the principle of photodiode array sensing, where each of the 128 individual photodiodes generates a current proportional to incident light intensity. The daughterboard integrates the TSL1401 sensor IC with supporting analog conditioning circuitry, clock signal generation, and output buffering to deliver clean analog video data. The sensor employs a rolling shutter mechanism with integrated timing control, allowing sequential readout of pixel values at high speeds up to 2 microseconds per pixel, making it ideal for applications requiring real-time visual feedback at frame rates exceeding 500 Hz.\u003c\/p\u003e\n\n\u003cp\u003eThis daughterboard design eliminates the complexity of discrete component integration by providing a ready-to-use module with standardized pinout compatible with Parallax development platforms. The sensor features an 8-bit analog output that can be directly interfaced with analog-to-digital converters or high-speed ADC channels on modern microcontrollers. The compact form factor and minimal power consumption (approximately 5mA at 5V operation) make it suitable for mobile robotics, autonomous vehicles, and portable inspection equipment where power efficiency and space constraints are primary design considerations.\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\u003eLinear Image Sensor Daughterboard Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eParallax Inc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor IC\u003c\/td\u003e\n\u003ctd\u003eTSL1401 128-Element Linear Photodiode Array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Count\u003c\/td\u003e\n\u003ctd\u003e128 photodiodes in single row configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e63.5 micrometers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eAnalog video output 8-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e2 microseconds per pixel minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC single supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 5mA at 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View\u003c\/td\u003e\n\u003ctd\u003eApproximately 36.5 degrees with standard optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Format\u003c\/td\u003e\n\u003ctd\u003eAnalog composite video signal\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\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e128-Element Linear Photodiode Array with 63.5-micrometer pixel spacing for high spatial resolution line scanning applications\u003c\/li\u003e\n\u003cli\u003eIntegrated Timing and Control Circuitry eliminating need for external clock generation, reducing component count and design complexity\u003c\/li\u003e\n\u003cli\u003eFast Pixel Readout at 2 microseconds per pixel enabling real-time processing at over 500 frames per second for dynamic motion tracking\u003c\/li\u003e\n\u003cli\u003eSingle 5V Supply Operation with minimal current draw of 5mA, ideal for battery-powered robotics and portable inspection systems\u003c\/li\u003e\n\u003cli\u003eDirect Analog Output compatible with standard ADC channels on Parallax Propeller and Arduino microcontroller platforms\u003c\/li\u003e\n\u003cli\u003eCompact Daughterboard Form Factor with standardized pinout for seamless integration into existing development ecosystems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAutonomous Robot Line Following and Edge Detection using the linear sensor array to track dark lines on light surfaces with millisecond response times\u003c\/li\u003e\n\u003cli\u003eBarcode and QR Code Reading Systems where the 128-pixel resolution captures encoded patterns for inventory management and retail applications\u003c\/li\u003e\n\u003cli\u003eOptical Inspection and Quality Control on manufacturing assembly lines detecting defects, surface irregularities, and dimensional variations in real-time\u003c\/li\u003e\n\u003cli\u003eDocument Scanning and OCR Applications capturing linear image data for portable document readers and accessibility devices\u003c\/li\u003e\n\u003cli\u003eMotion Tracking and Velocity Measurement in robotics applications using pixel displacement analysis across consecutive frames\u003c\/li\u003e\n\u003cli\u003eColor Sorting and Material Identification systems analyzing spectral intensity variations across the linear pixel array\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTo implement the Parallax 28317 TSL1401 Linescan Sensor Daughterboard, first establish electrical connections by connecting the 5V power supply to the VDD pin, ground to VSS, and the analog output signal to your microcontroller's ADC input channel. Configure your microcontroller's SPI or parallel interface to generate the required clock signal (CLK) and integration control signals (SI) that synchronize pixel readout timing. The sensor requires an integration period typically between 10 to 100 microseconds before initiating pixel readout, during which photodiodes accumulate light charge proportional to incident illumination.\u003c\/p\u003e\n\n\u003cp\u003eImplement a software routine that generates the SI (start integration) pulse to initiate the readout cycle, then clock out 128 consecutive pixels by toggling the CLK signal while sampling the analog output at each clock edge. Most users implement this with interrupt-driven ADC sampling or DMA transfers to capture the complete 128-pixel line in under 300 microseconds. Apply appropriate optical focusing using a standard camera lens or pinhole aperture mounted in front of the sensor to achieve desired field of view and depth of field characteristics for your specific application. Calibrate the ADC readings by capturing dark reference images (sensor covered) and bright reference images to establish baseline thresholds for edge detection and feature recognition algorithms.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum clock frequency for pixel readout?\u003c\/summary\u003e\n\u003cp\u003eThe TSL1401 sensor supports a minimum of 2 microseconds per pixel, which corresponds to a maximum clock frequency of approximately 500 kHz. This allows complete readout of all 128 pixels in approximately 256 microseconds. Higher clock speeds may result in reduced signal quality and increased noise, so most applications operate between 250 kHz to 400 kHz for optimal signal-to-noise ratio.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I interface this sensor directly to Arduino without additional ADC?\u003c\/summary\u003e\n\u003cp\u003eYes, the Parallax 28317 outputs an analog composite video signal that connects directly to Arduino's analog input pins (A0-A5). However, for optimal performance and faster sampling rates, external high-speed ADC modules like the ADS1115 or MCP3208 are recommended to achieve the full 500+ frames per second capability. The Arduino's built-in ADC operates at approximately 10 kHz, which limits frame rate to around 78 Hz per complete line scan.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat optical components do I need for focusing?\u003c\/summary\u003e\n\u003cp\u003eThe sensor requires a simple camera lens assembly with focal length typically between 6mm to 25mm depending on your desired field of view and working distance. Standard M12 camera lens mounts are compatible with most Parallax sensor modules. For applications requiring fixed focus at specific distances, a simple plastic lens with aperture stop provides adequate performance. Ensure the lens focuses the linear scene onto the 128-pixel array without vignetting or distortion.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I implement edge detection with this sensor?\u003c\/summary\u003e\n\u003cp\u003eEdge detection is performed by analyzing the gradient of pixel intensity values across the 128-element array. Implement a derivative filter by calculating the difference between adjacent pixel values: edge_strength = abs(pixel[n+1] - pixel[n]). Peaks in this derivative signal indicate sharp transitions between light and dark regions. Apply hysteresis thresholding to distinguish genuine edges from noise, and use centroid calculation on the edge strength profile to determine precise edge location with sub-pixel accuracy.\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 Engineer Store\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 Parallax 28317 TSL1401 Linescan Sensor Daughterboard Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eParallax 28317 TSL1401 Linescan Sensor Daughterboard\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\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\u003eParallax 28317 TSL1401 Linescan Sensor Daughterboard\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":"My Store","offers":[{"title":"Default Title","offer_id":43853757546659,"sku":"TES-EV02497","price":9214.58,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/TSL1401_2-228x228.png?v=1704191553","url":"https:\/\/www.theengineerstore.in\/products\/parallax-28317-tsl1401-linescan-sensor-daughterboard","provider":"The Engineer Store","version":"1.0","type":"link"}