https://lslab.io.vn/en/ LSLab is a place to learn technology in Vietnamese and English, from the basics to advanced topics, with articles that cite their sources. en Mon, 02 Nov 2026 00:00:00 GMT https://lslab.io.vn/en/artificial-intelligence/how-mop-robot-spots-clutter-and-alerts-person/ https://lslab.io.vn/en/artificial-intelligence/how-mop-robot-spots-clutter-and-alerts-person/ Mon, 02 Nov 2026 00:00:00 GMT Artificial intelligence How a mop robot merges bumps, jams, unreachable cells and still frames into a clutter score per zone, then alerts a person at the right time. https://lslab.io.vn/en/iot/how-mop-robot-returns-home-when-link-drops/ https://lslab.io.vn/en/iot/how-mop-robot-returns-home-when-link-drops/ Mon, 02 Nov 2026 00:00:00 GMT Internet of Things (IoT) How a mopping robot spots a lost link, stops its pump, finds the dock without a controller and rejoins: the states, failure cases and tests. https://lslab.io.vn/en/robotics/how-long-small-mop-robot-runs-per-charge/ https://lslab.io.vn/en/robotics/how-long-small-mop-robot-runs-per-charge/ Mon, 02 Nov 2026 00:00:00 GMT Robotics The energy budget of a small mop robot: load split, usable capacity, charge estimates and the reserve needed to reach the dock. https://lslab.io.vn/en/robotics/central-or-onboard-control-mopping-robot-fleet/ https://lslab.io.vn/en/robotics/central-or-onboard-control-mopping-robot-fleet/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Compare central, onboard and hybrid control for a small mopping-robot fleet on cost, latency, fault tolerance and bandwidth, then choose. https://lslab.io.vn/en/robotics/tools-to-simulate-a-mop-robots-electronics/ https://lslab.io.vn/en/robotics/tools-to-simulate-a-mop-robots-electronics/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Simulating a mop robot's circuits: SPICE tools, which circuits to test, how to read a pass or fail result and what simulation cannot replace. https://lslab.io.vn/en/robotics/sensors-stop-small-robot-falling-or-colliding/ https://lslab.io.vn/en/robotics/sensors-stop-small-robot-falling-or-colliding/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Cliff, bumper, time-of-flight, encoder, IMU and motor-current sensing: how each works, where it sits, how it fails and which one wins. https://lslab.io.vn/en/robotics/path-for-mop-robot-to-cover-whole-room/ https://lslab.io.vn/en/robotics/path-for-mop-robot-to-cover-whole-room/ Mon, 02 Nov 2026 00:00:00 GMT Robotics How a mop robot covers a whole room: cells around obstacles, back-and-forth passes, a map of cleaned cells, drift correction and blocked cells. https://lslab.io.vn/en/robotics/how-dock-recharges-and-refills-mop-robot/ https://lslab.io.vn/en/robotics/how-dock-recharges-and-refills-mop-robot/ Mon, 02 Nov 2026 00:00:00 GMT Robotics A mop robot docks in stages, charges through contacts, then refills its tank; this covers guidance, contact checks, water levels and sharing a dock. https://lslab.io.vn/en/robotics/run-robot-firmware-before-the-hardware-exists/ https://lslab.io.vn/en/robotics/run-robot-firmware-before-the-hardware-exists/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Three ways to test mop-robot firmware before hardware exists: host-side logic tests, microcontroller emulation and hardware-in-the-loop, and their limits. https://lslab.io.vn/en/robotics/mini-mopping-robot-fleet-parts/ https://lslab.io.vn/en/robotics/mini-mopping-robot-fleet-parts/ Mon, 02 Nov 2026 00:00:00 GMT Robotics The four parts of a small mopping-robot fleet: robots, dock, central controller and person, plus the data and states that link them. https://lslab.io.vn/en/robotics/simulate-robot-motion-in-a-virtual-home/ https://lslab.io.vn/en/robotics/simulate-robot-motion-in-a-virtual-home/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Build a virtual home for a small mopping-robot fleet: pick a simulator, add simulated sensors, link ROS 2 and run repeated acceptance runs. https://lslab.io.vn/en/robotics/many-mop-robots-split-zones-share-dock/ https://lslab.io.vn/en/robotics/many-mop-robots-split-zones-share-dock/ Mon, 02 Nov 2026 00:00:00 GMT Robotics How a fleet of mop robots splits a floor into zones, assigns one robot to each, queues for a shared dock and hands a zone over after a failure. https://lslab.io.vn/en/robotics/pc-controller-small-mopping-robot-fleet/ https://lslab.io.vn/en/robotics/pc-controller-small-mopping-robot-fleet/ Mon, 02 Nov 2026 00:00:00 GMT Robotics How a PC and small robots share work over Wi-Fi: broker or micro-ROS, message types, clock sync, failure points and how each one is noticed. https://lslab.io.vn/en/robotics/which-layers-of-a-mop-robot-simulation-covers/ https://lslab.io.vn/en/robotics/which-layers-of-a-mop-robot-simulation-covers/ Mon, 02 Nov 2026 00:00:00 GMT Robotics Four simulation layers for a mop robot: circuit, firmware, motion and fleet; what each can verify, its pass criteria and when to build a prototype. https://lslab.io.vn/en/robotics/how-mop-robot-is-built-to-fit-under-a-bed/ https://lslab.io.vn/en/robotics/how-mop-robot-is-built-to-fit-under-a-bed/ Mon, 02 Nov 2026 00:00:00 GMT Robotics From bed clearance to body height: differential drive, wheels, tank, pump and battery layout, mop pad drag and how a robot escapes a jam. https://lslab.io.vn/en/robotics/how-robot-mop-cleans-and-leaves-floor-dry/ https://lslab.io.vn/en/robotics/how-robot-mop-cleans-and-leaves-floor-dry/ Mon, 02 Nov 2026 00:00:00 GMT Robotics A damp-pad mopping robot meters water to its speed so floors dry quickly; this covers the method, its limits and an optional scent module. https://lslab.io.vn/en/artificial-intelligence/what-can-a-drone-do-with-computer-vision/ https://lslab.io.vn/en/artificial-intelligence/what-can-a-drone-do-with-computer-vision/ Sun, 01 Nov 2026 00:00:00 GMT Artificial intelligence Compare detection, tracking, segmentation and motion estimation in a drone vision system, including their outputs and the companion computer. https://lslab.io.vn/en/artificial-intelligence/how-is-drone-footage-object-detection-different/ https://lslab.io.vn/en/artificial-intelligence/how-is-drone-footage-object-detection-different/ Sun, 01 Nov 2026 00:00:00 GMT Artificial intelligence Compare drone and ground images by viewpoint, object size, camera motion and occlusion to understand their effects on object detection. https://lslab.io.vn/en/artificial-intelligence/what-must-you-optimize-to-run-a-detector-on-edge-hardware/ https://lslab.io.vn/en/artificial-intelligence/what-must-you-optimize-to-run-a-detector-on-edge-hardware/ Sun, 01 Nov 2026 00:00:00 GMT Artificial intelligence Learn how to set targets and optimise edge vision inference across input size, model size, quantisation, speed, memory and energy. https://lslab.io.vn/en/artificial-intelligence/how-does-object-tracking-follow-a-target-across-frames/ https://lslab.io.vn/en/artificial-intelligence/how-does-object-tracking-follow-a-target-across-frames/ Sun, 01 Nov 2026 00:00:00 GMT Artificial intelligence Follow how a tracker predicts a search region, matches objects across frames, keeps target IDs and handles loss or mismatches.