Slamtec A2M12 RPLIDAR A2 12m 16K 360-Degree LiDAR

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It uses laser triangulation to deliver angle-and-distance measurements for environmental perception. The A2M12 configuration is rated for 12 m on white targets, not the longer-range figures associated with other A2 variants. Its 10 Hz typical rotation and 0.225-degree angular sampling help robot software capture the shape of walls, furniture and passageways. The 3.3 V TTL UART, 256,000 bps interface supports integration into a suitable host controller. Review the model-specific electrical requirements and official technical documents below, then evaluate the sensor on the actual surfaces, lighting and robot mounting arrangement. Features Model-specific ranging - 0.2-12 m on white targets; up to 10 m on black targets. Dense scan acquisition - 16,000 samples/s provides the range measurements used by mapping and perception software. Controlled scan timing - 10 Hz typical; adjustable 5-15 Hz supports repeatable updates of the surrounding scan plane. Angular sampling - 0.225° at 10 Hz defines the sampling detail at the stated scan setting, not guaranteed object-detection accuracy. Controller interface - 3.3 V TTL UART, 256,000 bps; use the corresponding electrical interface and driver profile. Compact mechanical integration - 76 × 76 × 41 mm with 190 g mass supports enclosure and mounting planning. Enhanced indoor scan mode - The A2M12 datasheet specifies 16 kHz sampling with 12 m white-target and 10 m black-target limits. Select the exact A2M12 driver profile rather than a different A2 suffix. Official development tools - SLAMTEC provides C++ and ROS-family integration resources. Use the relevant model and transport configuration, then validate scan output before connecting navigation logic. Laser classification - Class 1 under the manufacturer's specified operating conditions. The lidar is a perception component, not a substitute for a certified machine-safety system. Compact RPLIDAR A2 body for mobile robot integration360 degree planar scanning coverage for mapping and navigationLaser triangulation ranging concept for distance measurementHandheld size reference for compact robot installations Specifications Parameter Value Model SLAMTEC A2M12 Ranging principle laser triangulation Scan coverage 360° Distance range 0.2-12 m on white targets; up to 10 m on black targets Sample rate 16,000 samples/s Scan rate 10 Hz typical; adjustable 5-15 Hz Angular resolution 0.225° at 10 Hz Data interface 3.3 V TTL UART, 256,000 bps Power supply 4.9-5.2 V DC; 5 V typical Dimensions 76 × 76 × 41 mm Weight 190 g Operating temperature 0 to +40 °C Laser safety Class 1 Operating current 450 mA typical, 600 mA maximum at 5 V Startup / capacitor inrush Up to 1,500 mA startup; transient capacitor-charging current up to 2,500 mA Product Comparison Model Rated Range / Target Sample Rate Interface Weight A1M8 0.15-12 m on white targets 8,000 samples/s 3.3 V TTL UART, 115,200 bps 170 g A2M12 0.2-12 m on white targets; up to 10 m on black targets 16,000 samples/s 3.3 V TTL UART, 256,000 bps 190 g A3M1 Enhanced: 0.2-25 m on white targets, up to 10 m on black targets; outdoor: 0.2-20 m on white targets Enhanced: 16 kHz; outdoor: 16 kHz or 10 kHz, scan-mode dependent 3.3 V TTL UART, 256,000 bps 190 g Reflectivity and operating mode matter: maximum range is not guaranteed on every object. These are range sensors; the host controller supplies SLAM, path planning and robot-level decision making. Application Mobile Robot Mapping Use A2M12 scan data to build occupancy maps and match successive scans against stable walls or structures. Its 0.2-12 m on white targets specification helps define the scale of the mapping workspace; a host-side SLAM algorithm and a correctly calibrated sensor frame are still required. Obstacle Awareness and Local Planning Feed range returns into a local cost map to identify objects intersecting the scan plane. Set the mounting height around the obstacles that matter to the platform and combine other sensors for overhanging objects, low obstacles and drop-offs. Indoor Research Platforms Use the triangulation scanner in offices, laboratories and educational mobile bases. Prioritize indoor testing and stable target geometry; direct sunlight and highly reflective or transparent surfaces require careful validation. Robotics Education and ROS Development Teach laser scans, coordinate transforms and localization with the corresponding SLAMTEC driver. Configure 3.3 V TTL UART, 256,000 bps, inspect scan timing, and verify the base-to-sensor transform before testing autonomous motion. Environmental Surveying Prototypes Collect repeated 2D profiles for layout studies and mapping experiments. Building a three-dimensional reconstruction from a moving scanner requires an independent motion estimate and appropriate registration; the scanner alone does not output a complete 3D map. Embedded Perception Integration Check the optical-window clearance, cable routing, supply ripple and startup current before enclosure design. Validate scan continuity with motors and other high-current electronics running, rather than judging performance from an unloaded bench setup. Reference Documents Manuals and Specifications A2M12 Datasheet A2 Series Dev Kit User Manual Software and Development Support Downloads RPLIDAR C++ SDK RPLIDAR ROS 2 Driver Packing List SKU Item Quantity Slamtec-A2M12 Slamtec A2M12 RPLIDAR A2 LiDAR Sensor 1 FAQ What is the rated measuring range?0.2-12 m on white targets; up to 10 m on black targets. Maximum distance depends on target reflectivity, ambient conditions and the selected operating mode.What is the difference between sample rate and scan rate?Sample rate is the number of individual measurements: 16,000 samples/s. Scan rate is how often the rotating scanner updates a full sweep: 10 Hz typical; adjustable 5-15 Hz.Which communication interface does this model use?3.3 V TTL UART, 256,000 bps. Match the host connection and software profile to this exact model, not a similar-looking version.What power supply is required?4.9-5.2 V DC; 5 V typical. Allow for startup current and check voltage at the sensor while it is running.Does this sensor perform SLAM by itself?No. This product supplies laser scan measurements. A host processor running suitable mapping and localization software turns those measurements into maps and robot pose estimates.Can it detect obstacles at every height?No. The laser scans a plane. Mounting height and pitch determine which objects intersect that plane; additional sensing is needed for obstacles or drop-offs outside it.What should I check when comparing similar models?The A2M12 datasheet specifies 16 kHz sampling with 12 m white-target and 10 m black-target limits. Select the exact A2M12 driver profile rather than a different A2 suffix.Which software can I use?Use the official C++ SDK or ROS-family driver in Reference Documents. Select the correct transport, speed and model configuration, inspect live scans, and configure coordinate transforms before using a navigation stack.What is included?Slamtec A2M12 RPLIDAR A2 LiDAR Sensor: 1 unit. The Packing List records the physical contents of this listing.What should I verify before deployment?Test representative targets, glass, dark surfaces, moving objects and lighting changes. Confirm temperature limits, optical-window clearance, power stability and scan continuity; use independent safeguards wherever people or machinery could be at risk. Show more