{"product_id":"dtof-laser-ranging-sensor-module-22m-i2c-uart","title":"DTof Laser Ranging Sensor Module 22M | I2C UART Compact","description":"\n\u003ch2\u003eDTof Laser Ranging Sensor Module – 22M Range, Ultra-Compact Design\u003c\/h2\u003e\n\u003cp\u003eTake your electronics projects to the next level with this highly integrated \u003cstrong\u003eDirect Time-of-Flight (DTof) Laser Ranging Sensor Module\u003c\/strong\u003e. Engineered for precision distance measurement up to \u003cstrong\u003e22 meters\u003c\/strong\u003e, this compact module is purpose-built for developers, hobbyists, and engineers who demand accuracy in a tiny footprint. With I2C and UART interface support, it drops seamlessly into a wide variety of microcontroller platforms and secondary development environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact Dimensions:\u003c\/strong\u003e 21 × 15 × 7.87 mm — fits into the tightest enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeatherlight Weight:\u003c\/strong\u003e Only 1.35 g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e ±3 cm at ranges under 6 m; less than 1% error beyond 6 m, up to 22 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Peak Detection:\u003c\/strong\u003e Integrated histogram statistics algorithm outputs dual-peak positions for easy multi-target calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Light Immunity:\u003c\/strong\u003e Time-correlated photon burst algorithm — 88% immunity @ 160 KLux at 18 m \/ 18% @ 160 KLux at 15 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable TDC Time Window:\u003c\/strong\u003e Adapts to diverse application scenarios with ease\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReflectivity Correction:\u003c\/strong\u003e Built-in correction ensures reliable readings across varied surface types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Compensation:\u003c\/strong\u003e Maintains consistent performance across changing environmental conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Frame Rate:\u003c\/strong\u003e Default 100 fps for rapid, stable data output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth-Compatible Communication:\u003c\/strong\u003e Flexible connectivity for wireless integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e22 m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e±3 cm (≤6 m) \/ \u0026lt;1% (\u0026gt;6 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eI2C, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eTypical 3.3 V (Min: 3.0 V \/ Max: 3.6 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFrame Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e100 fps (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eField of View (FoV)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u0026lt;2°\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLaser Wavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e905 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eConnector Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModule Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1.35 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e21 × 15 × 7.87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DTof Laser Ranging Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Only the above package content is included. Color may vary slightly due to display settings. Measurement tolerance is ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003cp\u003eFor a deeper understanding of laser-based measurement and photon detection technologies, refer to the NIST Photonics Technology resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a DTof Laser Ranging Sensor Module and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A Direct Time-of-Flight (DTof) laser ranging sensor module measures distance by emitting a short laser pulse at 905 nm and calculating the time it takes for that pulse to reflect back from an object. The module's onboard processor converts this time measurement into a precise distance reading — up to 22 meters — making it ideal for robotics, obstacle detection, industrial automation, and IoT development projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which microcontrollers or development platforms are compatible with this DTof sensor module?\u003c\/h4\u003e\n\u003cp\u003eA: This DTof laser ranging sensor module supports both I2C and UART communication interfaces, making it compatible with a broad range of microcontrollers and development boards including Arduino, Raspberry Pi, ESP32, STM32, and other platforms that support these standard protocols. Its 3.3 V operating voltage aligns with most modern development boards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the module perform in bright ambient light conditions?\u003c\/h4\u003e\n\u003cp\u003eA: The module integrates a time-correlated photon burst algorithm specifically designed to counteract strong ambient light interference. It achieves up to 88% ambient light immunity at 160 KLux at 18 m range, ensuring reliable distance measurements even in challenging outdoor or brightly lit indoor environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the measurement accuracy of this 22M DTof laser sensor module?\u003c\/h4\u003e\n\u003cp\u003eA: At distances under 6 meters, the sensor delivers an accuracy of ±3 cm. For distances beyond 6 meters and up to the maximum range of 22 meters, the accuracy is less than 1% of the measured distance, ensuring high reliability for both short-range and long-range applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a DTof Laser Ranging Sensor Module and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A Direct Time-of-Flight (DTof) laser ranging sensor module measures distance by emitting a short laser pulse at 905 nm and calculating the time it takes for that pulse to reflect back from an object. 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