{"product_id":"ultra-compact-tof-laser-ranging-sensor-7-8m-1g-4cm-accuracy-sen0646","title":"DFRobot Ultra-Compact ToF Laser Ranging Sensor (7.8m, 1g, ±4cm Accuracy) | SEN0646","description":"\u003ch2\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe ToF Laser Ranging Sensor leverages dToF (Direct Time of Flight) technology with 940nm laser pulses to deliver precise distance measurements up to 7.8 meters (±4cm accuracy), even in high-interference environments (ambient light resistance: 100,000 lux). Compatible with \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-272.html\" target=\"_blank\"\u003eRaspberry Pi\u003c\/a\u003e\u003cspan\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-277.html\" target=\"_blank\"\u003eArduino\u003c\/a\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-302.html\" target=\"_blank\"\u003eESP32\u003c\/a\u003e\u003cspan\u003e via UART\/I2C interfaces, its \u003c\/span\u003e\u003cb\u003eultra-compact design (19×12×10.3mm, 1 gram)\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003eand multi-protocol support make it ideal for robot and drone obstacle avoidance and navigation, robotics, \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-276.html\" target=\"_blank\"\u003eIoT\u003c\/a\u003e\u003cspan\u003e, and industrial automation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eUltra-Lightweight \u0026amp; Miniaturized Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWeighing 1g with dimensions of 19×12×10.3mm, the sensor is one of the smallest and lightest dToF solutions on the market. Its 19mm³ footprint allows direct integration into micro-drones, wearable devices, or robotic joints without compromising payload capacity or mobility. The design eliminates traditional bulky optics, enabling deployment in space-critical applications like micro-drone obstacle avoidance or smartwatch gesture control.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/SEN0646_01.jpg?v=1748668854\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eFigure: Lightweight and Coin-Sized ToF Laser Ranging Sensor\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHigh-Speed Dynamic Ranging\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWith a 50Hz refresh rate, the sensor delivers real-time distance updates, critical for applications requiring rapid response, such as drone obstacle avoidance or industrial conveyor belt monitoring. The narrow 2-3° field of view minimizes interference from ambient light and background noise, ensuring stable performance in both indoor and outdoor settings.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRobust Anti-Interference Capability\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor operates reliably under 100,000 lux ambient light (equivalent to direct sunlight), making it suitable for outdoor traffic monitoring or construction sites. Advanced algorithms filter out environmental noise, enabling consistent accuracy in dynamic scenarios like vehicle speed detection or material level measurement.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDrone Navigation: Real-time altitude hold and obstacle avoidance in confined indoor spaces.\u003c\/li\u003e\n\u003cli\u003eRobotics: Dynamic path planning for AGVs (Automated Guided Vehicles) or service robots.\u003c\/li\u003e\n\u003cli\u003eSmart Traffic Systems: Vehicle flow monitoring and parking status detection.\u003c\/li\u003e\n\u003cli\u003eIndustrial Automation: Material level detection and production line object counting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/applications.jpg?v=1748663924\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eFigure: Applications of the ToF Laser Ranging Sensor\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eRanging Range: 0.02–7.8m\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±4cm (typical)\u003c\/li\u003e\n\u003cli\u003eRefresh Rate: 50Hz\u003c\/li\u003e\n\u003cli\u003eAmbient Light Resistance: 100,000 lux\u003c\/li\u003e\n\u003cli\u003eField of View: 2–3°\u003c\/li\u003e\n\u003cli\u003ePower Supply: 4.3–5.2V DC\u003c\/li\u003e\n\u003cli\u003eCommunication Interfaces: UART\/I2C\/IO\u003c\/li\u003e\n\u003cli\u003eDimensions: 19.0×12.0×10.3mm\u003c\/li\u003e\n\u003cli\u003eSensor Weight: 1g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eDocuments:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0646_TOF_laser_ranging_sensor_7.8m\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0646_TOF_laser_ranging_sensor_7.8m#target_3\" target=\"_blank\"\u003eDimensions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0646_TOF_laser_ranging_sensor_7.8m#target_4\" target=\"_blank\"\u003eTutorial\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0646_TOF_laser_ranging_sensor_7.8m#target_9\" target=\"_blank\"\u003eFAQ\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eToF laser ranging sensor-7.8m x1\u003c\/li\u003e\n\u003cli\u003eWiring x2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Makerlab Electronics","offers":[{"title":"Default Title","offer_id":44220050014399,"sku":"MLE07019","price":1049.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/MLE07019_2.jpg?v=1748668909","url":"https:\/\/makerlab.ph\/products\/ultra-compact-tof-laser-ranging-sensor-7-8m-1g-4cm-accuracy-sen0646","provider":"Makerlab PH","version":"1.0","type":"link"}