{"product_id":"pmw3901-optical-flow-sensor-module-xy-translation","title":"PMW3901 Optical Flow Sensor Module XY Translation | SPI","description":"\n\u003ch2\u003ePMW3901 Optical Flow Sensor Module – XY Translation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePMW3901 Optical Flow Sensor Module\u003c\/strong\u003e is a compact, high-performance sensor designed to measure XY translational motion with impressive speed and accuracy. Whether you're building autonomous drones, robotics platforms, or custom motion-tracking systems, this module delivers reliable surface tracking data over SPI interface — making it an essential component for makers, engineers, and hobbyists alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePMW3901 Optical Flow Chip:\u003c\/strong\u003e Measures XY surface translation (movement) at up to 7.4 inches per second, even in low-light conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPI Interface:\u003c\/strong\u003e Easy integration with microcontrollers including Arduino, Raspberry Pi, and STM32\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Efficient design ideal for battery-powered applications like drones and mobile robots\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small PCB footprint fits easily into tight project enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Works effectively at heights of 80mm–1500mm above the tracking surface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Frame Rate:\u003c\/strong\u003e Captures up to 126 frames per second for smooth, real-time motion data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for drone stabilization, robotic navigation, gesture control, and positioning systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e PMW3901MB Optical Flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI (4-wire)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 1.8V – 3.3V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Rate:\u003c\/strong\u003e Up to 126 fps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Operating Height:\u003c\/strong\u003e 80mm – 1500mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Compact PCB module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThe PMW3901 is widely used in cutting-edge DIY and professional projects:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e🚁 \u003cstrong\u003eDrone \u0026amp; UAV Stabilization\u003c\/strong\u003e – Achieve accurate hover and position hold\u003c\/li\u003e\n  \u003cli\u003e🤖 \u003cstrong\u003eAutonomous Robots\u003c\/strong\u003e – Enable precise odometry and dead-reckoning navigation\u003c\/li\u003e\n  \u003cli\u003e🖱️ \u003cstrong\u003eCustom Input Devices\u003c\/strong\u003e – Build optical mice or gesture-sensing controllers\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eMotion Capture Systems\u003c\/strong\u003e – Track XY movement for industrial or creative applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003ePair your PMW3901 module with other electronics components from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the PMW3901 Optical Flow Sensor Module measure?\u003c\/h4\u003e\n\u003cp\u003eA: The PMW3901 Optical Flow Sensor Module measures XY translational motion — detecting surface movement in the horizontal (X) and vertical (Y) axes. It outputs motion data in real time via SPI, making it ideal for drone stabilization, robot navigation, and other motion-sensing applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What microcontrollers are compatible with the PMW3901 module?\u003c\/h4\u003e\n\u003cp\u003eA: The PMW3901 module uses a standard 4-wire SPI interface and is compatible with a wide range of microcontrollers, including Arduino (with 3.3V logic), Raspberry Pi, STM32, ESP32, and other popular development boards. Most manufacturers provide open-source libraries to simplify integration.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the recommended operating height for the PMW3901 sensor?\u003c\/h4\u003e\n\u003cp\u003eA: For optimal performance, the PMW3901 sensor is recommended to operate at a height of 80mm to 1500mm above the tracking surface. Performance may vary depending on surface texture and ambient lighting conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the PMW3901 module suitable for drone projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The PMW3901 is one of the most popular optical flow sensors used in drone and UAV projects for position hold and indoor stabilization. Its low power draw, high frame rate, and compact size make it an excellent fit for DIY flight controllers and autonomous vehicle builds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the PMW3901 Optical Flow Sensor Module measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PMW3901 Optical Flow Sensor Module measures XY translational motion — detecting surface movement in the horizontal (X) and vertical (Y) axes. 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