{"product_id":"dtof-laser-ranging-sensor-module-22m-low-power-i2c-uart","title":"DTof Laser Ranging Sensor Module 22M – Compact I2C UART","description":"\n\u003ch2\u003eDTof Laser Ranging Sensor Module – 22M Range, Ultra-Compact Design\u003c\/h2\u003e\n\u003cp\u003eTake your projects to the next level with this highly integrated \u003cstrong\u003eDirect Time-of-Flight (DTof) Laser Ranging Sensor Module\u003c\/strong\u003e. Engineered for developers and engineers who demand precision, this compact module delivers reliable distance measurements up to \u003cstrong\u003e22 meters\u003c\/strong\u003e while maintaining an incredibly small footprint and low power consumption — making it ideal for robotics, IoT devices, drones, industrial automation, and custom embedded systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact Size:\u003c\/strong\u003e 21 × 15 × 7.87 mm — fits easily into space-constrained designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeatherlight:\u003c\/strong\u003e Just 1.35 g for minimal impact on weight-sensitive builds\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Range:\u003c\/strong\u003e 22 meters\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 detection and 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 a wide range of application scenarios\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Periodic Data Output:\u003c\/strong\u003e Consistent readings according to your configured period\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReflectivity Correction:\u003c\/strong\u003e Built-in, ensuring accurate measurements across surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Compensation:\u003c\/strong\u003e Maintains accuracy across varying thermal environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaser Wavelength:\u003c\/strong\u003e 905 nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I2C \u0026amp; UART — easy integration with microcontrollers and development boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Pins:\u003c\/strong\u003e 6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Rate:\u003c\/strong\u003e Default 100 fps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField of View (FoV):\u003c\/strong\u003e Less than 2°\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e Typical 3.3 V (Min: 3.0 V \/ Max: 3.6 V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB | \u003cstrong\u003eColor:\u003c\/strong\u003e Black\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  \u003cthead\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e21 × 15 × 7.87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1.35 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMax Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e22 m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e±3 cm (\u0026lt;6 m) \/ \u0026lt;1% (\u0026gt;6 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eLaser Wavelength\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e905 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFrame Rate\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e100 fps (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInterface\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eI2C, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e3.0 V – 3.6 V (typ. 3.3 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFoV\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u0026lt; 2°\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eConnector Pins\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMulti-Target Detection\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eDual-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DTof Laser Ranging Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Minor color variation may occur due to display differences. Measurement tolerance is ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About Time-of-Flight Sensing Technology\u003c\/h3\u003e\n\u003cp\u003eFor background on laser and optical measurement technology standards, visit the National Institute of Standards and Technology (NIST) – Lasers.\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 DTof (Direct Time-of-Flight) Laser Ranging Sensor Module measures distance by emitting a short laser pulse at 905 nm and calculating the time it takes for the pulse to reflect back from an object. This module supports ranges up to 22 m, outputs data via I2C or UART, and delivers high-accuracy results at up to 100 frames per second — making it ideal for secondary development in robotics, automation, and IoT projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this DTof sensor module compatible with Arduino, Raspberry Pi, or other microcontrollers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module communicates via standard I2C and UART interfaces, which are natively supported by Arduino, Raspberry Pi, ESP32, STM32, and most popular development platforms. With 6 connector pins and a compact PCB form factor, integration into custom hardware projects is straightforward.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the module perform in bright ambient light conditions?\u003c\/h4\u003e\n\u003cp\u003eA: This DTof module features an integrated time-correlated photon burst algorithm that provides strong ambient light immunity — up to 88% at 160 KLux at 18 m. This makes it suitable for both indoor and outdoor applications where significant ambient light may be present.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What operating voltage does the DTof Laser Ranging Sensor Module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module operates at a typical voltage of 3.3 V, with an accepted range of 3.0 V to 3.6 V. Ensure your power supply or development board provides a stable voltage within this range for optimal performance.\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 DTof (Direct Time-of-Flight) Laser Ranging Sensor Module measures distance by emitting a short laser pulse at 905 nm and calculating the time it takes for the pulse to reflect back from an object. 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