1pcs CJMCU-3901 PMW3901 Optical Flow Sensor - Far-Field XY Motion Detection for RC Drones, Aircraft & Flight Control

Product DescriptionCJMCU-3901 PMW3901 Optical Flow Sensor Module - Far-Field Motion Detection for UAVs & Flight ControlThe CJMCU-3901 PMW3901 Module delivers professional-grade optical navigation for drones, aircraft, and robotics, leveraging PixArt’s cutting-edge far-field optics technology. Housed in a compact 28-pin COB package, this sensor provides precise X-Y motion data from 80mm to infinity, enabling navigation in challenging environments.Key Features:Far-Field Optics Technology: Enables air/ground motion detection without physical contact, ideal for drones and autonomous vehicles.High-Speed SPI Interface: 2MHz 4-wire communication with 16-bit motion registers ensures real-time data updates.Low-Power Operation: <9mA active mode with 1.8V-3.6V supply for extended battery life in portable devices.Plug-and-Play Integration: No focus lens adjustment required, reducing installation complexity for hobbyists and engineers.Internal Oscillator: Eliminates external clock input, simplifying circuit design.Applications:Drone stabilization and obstacle avoidanceIndoor/outdoor navigation in GPS-denied areasRC aircraft flight control systemsRobotics and autonomous mobile platformsIndustrial automation for position trackingTechnical Specifications:Interface: 4-wire SPI (2MHz max)Power Supply: 1.8V-3.6VResolution: 16-bit motion dataDimensions: Compact 28-pin COB packageOperating Range: 80mm to infinityWhy Choose the PMW3901?Industry-leading far-field detection for aerial applicationsGPS-independent positioning for indoor useRugged design with no moving partsCost-effective solution for hobbyist and commercial UAVsPackage Includes:1x CJMCU-3901 PMW3901 Sensor Module

• Far-Field Navigation Technology - Uses PixArt’s advanced optics for X-Y motion detection from 80mm to infinity, enabling navigation in air/ground applications.
• 2MHz 4-Wire SPI Interface - High-speed data transfer with 16-bit motion registers for real-time positioning in drones and robotics.
• Wide Voltage Compatibility - Operates on 1.8V-3.6V with <9mA power consumption for battery-powered systems.
• No Focus Lens Design - Eliminates manual alignment during installation, simplifying integration into UAVs and aircraft.
• GPS-Independent Positioning - Provides reliable X-Y tracking indoors/outdoors, ideal for GPS-denied environments like warehouses and urban areas.