FreeRobotStore

Simultaneous Localization and Mapping. Watch a robot build a map while tracking its own position using LiDAR + particle filter.

Compare A*, Dijkstra, Greedy BFS, BFS, DFS, and RRT side-by-side on the same map. Draw walls and watch algorithms race.

Compare PID, LQR, MPC, and Bang-Bang controllers on the same plant. Interactive tuning with step response analysis.

Fuse noisy GPS, IMU, and magnetometer data using Extended Kalman Filter. See how fusion beats individual sensors.

8 robots with different AI strategies compete in 4 events: Sprint, Obstacle Course, Precision Stop, Formation. Who wins?

LiDAR scan → A* pathfinding → PID tracking. Watch a robot navigate autonomously.

20 3D creatures evolve walking gaits via neuroevolution. Neural net brains, Three.js rendering. Camera follows best creature. 50x speed.

Watch creatures evolve walking gaits via neuroevolution. 20 stick figures, neural network brains, survival of the fittest.

3D quadcopter — WASD flight, hover/acro mode, ring course, wind, first-person cam, trees + landscape

SPH particle fluid — click to splash, dam break, obstacles. Adjust gravity/viscosity/pressure. Velocity/pressure/density colormaps.

6-legged hexapod with IK — WASD walk, 3 gaits (tripod/wave/ripple), 18 servo joints, adjustable height/stride/speed.

16-segment serpentine robot — WASD steer, 3 locomotion modes (lateral/sidewind/rectilinear), adjustable amplitude/frequency.

3v3 robot soccer — WASD + boost, AI teammates, score goals, adjustable difficulty, 2-player mode (IJKL)

Operate a tower crane — rotate, trolley, cable controls. Pick up crates, deliver to zones. Pendulum physics + wind.

Robot localization demo — 500 particles converge on true position using landmarks. Drive and watch it localize.

5-DOF arm — keyboard (QWASDE), mouse orbit/zoom, pick/wave/scan presets, add scene objects

Ackermann steering + tire friction — WASD, handbrake drifting, tire marks, track mode, speedometer

60-200 boids flocking — click to attract, separation/alignment/cohesion, predator mode, formations

Spring-mass deformable body — drag nodes, 4 shapes (blob/worm/wheel/cube), pin nodes, throw

Parallel-jaw gripper — force vs weight vs friction. Slip/crush detection. Force balance diagram.

Bipedal walker — W to walk, P to push, Space to jump. Tune gait, track distance, balance meter.

6-wheeled rover on Mars — WASD, collect samples, avoid rocks/craters, auto-explore, compass

Train a net to classify 2D points — decision boundary forms live, 4 datasets, loss curve, accuracy

Robot navigates random mazes — A* vs BFS vs Wall Following, adjustable speed

PID control — balance pendulum on cart, tune Kp/Ki/Kd, push to disturb, auto-tune

3D rigid-body physics (Rapier.js) — 5 gravity modes, click to drop, orbit camera

PID line-following robot — draw your own track, tune Kp/Ki/Kd

17-keypoint human pose estimation (MoveNet) — skeleton overlay, for teleoperation/gesture control

DETR real-time detection — 80 classes from webcam, bounding boxes, confidence

Monocular depth estimation — distance from single camera, 3 colormaps

Arduino PID motor driver — wiring, encoder feedback, tuning guide, copy-paste code

Click to segment any object in an image. Meta AI SAM model running in your browser (~50MB). Upload or use webcam.

Talk to control a robot arm. Say left/right/up/down/grab/drop/wave. Web Speech API — zero download.

Interactive PID tuning workbench. Motor/heater/tank plants. Step response, Ziegler-Nichols auto-tune.

2D LiDAR simulation. Rotating laser beam builds point cloud. Occupancy grid forms in real time.

3-joint robot arm. Click anywhere — arm reaches using CCD IK. Workspace boundary, adjustable links.

Noisy GPS tracking smoothed by Kalman filter. Adjust process/measurement noise. See uncertainty converge.

DC motor physics: voltage, back-EMF, torque, angular velocity. Apply load. Current limiting. Animated rotor.

Agent learns optimal path via Q-learning. Epsilon-greedy exploration, Q-table heatmap, policy arrows, episode reward chart.

4-6 robots coordinate tasks using nearest-first, auction-based, or Hungarian algorithm. Dynamic tasks, collision avoidance, fairness metrics.

Visual node editor for robot AI. Drag nodes, connect tree, run simulation. Watch robot execute behaviors.

Kalman vs Extended Kalman vs Unscented Kalman. Covariance ellipses, RMSE charts, nonlinear motion.

Jacobian vs CCD vs FABRIK solving simultaneously. Click target, watch convergence, compare speed.

8-16 robots maintaining formations (circle, V, diamond). Leader-follower vs consensus. Dynamic switching.