Structured lessons, deep-dive topic hubs, platform and robot references, and daily robotics news written in plain English. From your first transform to whole-body control.https://www.roboticsfieldguide.com/en-gbhttps://www.roboticsfieldguide.com/learn/beginner/01-what-is-a-robot/https://www.roboticsfieldguide.com/learn/beginner/01-what-is-a-robot/The loop that every robot runs, how to count degrees of freedom, the difference between workspace and configuration space, and the main kinds of robot you will meet at workSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/02-frames-and-rotations/https://www.roboticsfieldguide.com/learn/beginner/02-frames-and-rotations/Rotation matrices, the right-hand rule, composing rotations, 4x4 homogeneous transforms, moving points between frames and inverting a transform, all in numpy, plus the REP 103 conventions ROS usesSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/03-forward-kinematics/https://www.roboticsfieldguide.com/learn/beginner/03-forward-kinematics/Compute where a planar two-link arm's tip is from its joint angles, by trigonometry and by chaining homogeneous transforms, check that the two agree, and sweep the joints to map the reachable workspaceSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/04-inverse-kinematics/https://www.roboticsfieldguide.com/learn/beginner/04-inverse-kinematics/Find the joint angles that put a two-link arm's tip on a target, with the law of cosines and with a damped least-squares solver, handle unreachable targets, and see what singularities do to the numbersSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/05-pid-control/https://www.roboticsfieldguide.com/learn/beginner/05-pid-control/Simulate a DC-motor joint with a load in numpy, then close the loop with P, PI and PID control, see integral windup under voltage saturation, fix it with clamping, and take the derivative on the measurementSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/06-sensors-and-noise/https://www.roboticsfieldguide.com/learn/beginner/06-sensors-and-noise/Encoders, IMUs and range sensors, the three kinds of error they share, why averaging is not filtering, and a 1-D constant-velocity Kalman filter in numpy tracking a robot from noisy positionsSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/07-differential-drive/https://www.roboticsfieldguide.com/learn/beginner/07-differential-drive/Convert wheel speeds to body velocity and back, integrate odometry with Euler and exact-arc steps, and watch small wheel-radius and track-width errors turn into metres of driftSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/08-grid-path-planning/https://www.roboticsfieldguide.com/learn/beginner/08-grid-path-planning/Occupancy grids, 4- and 8-connected moves, admissible heuristics, and an A* planner in pure Python with heapq that you compare against Dijkstra by counting expanded cellsSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/09-simulate-an-arm-in-mujoco/https://www.roboticsfieldguide.com/learn/beginner/09-simulate-an-arm-in-mujoco/Build a two-link arm in MJCF, step it headless with the mujoco Python bindings, read joint and site state, check it against forward kinematics, and close a PD loop with and without gravity compensationSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/learn/beginner/10-hello-ros2/https://www.roboticsfieldguide.com/learn/beginner/10-hello-ros2/Nodes, topics, messages and QoS in ROS 2 Jazzy, a talker and listener in one Python process, and a tf2 frame tree with static and dynamic transforms looked up from a BufferSat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/projects/ros2-talker-listener-tf2/https://www.roboticsfieldguide.com/projects/ros2-talker-listener-tf2/A ROS 2 Jazzy package with a talker, a listener, a tf2 broadcaster that moves a frame in a circle and a node that looks the frame up, run in the official Docker image on macOS, Linux or Windows.Sat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/projects/two-link-arm-draws-with-ik/https://www.roboticsfieldguide.com/projects/two-link-arm-draws-with-ik/Build a planar two-link arm in MuJoCo, solve analytic inverse kinematics for 161 waypoints around a square, track them with joint position servos and measure how far the pen lags.Sat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/projects/diff-drive-astar-kalman/https://www.roboticsfieldguide.com/projects/diff-drive-astar-kalman/Plan a path across a 10 m room with A*, follow it with pure pursuit and estimate the pose with an extended Kalman filter that fuses noisy wheel odometry with position fixes, in pure Python and NumPy.Sat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/projects/pybullet-pick-and-place/https://www.roboticsfieldguide.com/projects/pybullet-pick-and-place/Define a five-joint arm with a parallel gripper as an inline URDF, solve its inverse kinematics in closed form and script a grasp in PyBullet that moves a 40 mm cube to within 1 mm of its target.Sat, 14 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-13-agibot-g2-convenience-store-trial/https://www.roboticsfieldguide.com/news/2026-11-13-agibot-g2-convenience-store-trial/AGIBOT says six wheeled G2 humanoids completed 1,730 tasks over 24 hours in a working store, and that four of the six passed its final assessment. The account comes from the company.Fri, 13 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-11-mujoco-4-0/https://www.roboticsfieldguide.com/news/2026-11-11-mujoco-4-0/Google DeepMind shipped MuJoCo 4.0.0 on 6 November with breaking changes to tendons, the Python packages and cable models. Version 4.0.1 followed on 11 November with a fix for wrong Newton solver results.Wed, 11 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-10-axon-invests-in-skydio/https://www.roboticsfieldguide.com/news/2026-11-10-axon-invests-in-skydio/The deal values Skydio at $5.2 billion and makes Axon its exclusive public safety distributor in the US and Canada. It is expected to close across Q4 2026 and Q1 2027.Tue, 10 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-10-gemini-robotics-2-5/https://www.roboticsfieldguide.com/news/2026-11-10-gemini-robotics-2-5/DeepMind says its new vision-language-action model raises success rates by 30% to 100% over earlier baselines, and reports a 96% success rate for Apollo 2 humanoids kitting parts in two car plants.Tue, 10 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-09-boston-dynamics-wheeled-atlas/https://www.roboticsfieldguide.com/news/2026-11-09-boston-dynamics-wheeled-atlas/A Boston Dynamics video shows the Atlas humanoid with scooter wheels on its ankles, trained in simulation with a whole-body RL policy layered on classical control. The company calls it a research testbed, not a product.Mon, 09 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-09-nvidia-gr00t-2-isaac-lab-3/https://www.roboticsfieldguide.com/news/2026-11-09-nvidia-gr00t-2-isaac-lab-3/NVIDIA introduced the GR00T 2 world action model and promoted Isaac Lab 3.0, which can run on the Newton physics engine as well as PhysX, at the Conference on Robot Learning in Austin.Mon, 09 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/research/2026-11-09/https://www.roboticsfieldguide.com/research/2026-11-09/Eight arXiv cs.RO papers on edge SLAM timing, humanoid e-stops, GPU MPC solvers, camera exposure in policy tests, time-offset calibration, retrieval baselines for VLAs, motion tracking and print path planning.Mon, 09 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-05-lerobot-0-7-0/https://www.roboticsfieldguide.com/news/2026-11-05-lerobot-0-7-0/Hugging Face's robot learning library rebuilds installation, training, inference and its motor bus layer in v0.7.0, with several breaking changes for anyone upgrading from v0.6.Thu, 05 Nov 2026 00:00:00 GMThttps://www.roboticsfieldguide.com/news/2026-11-02-intrinsic-core-open-source/https://www.roboticsfieldguide.com/news/2026-11-02-intrinsic-core-open-source/The Apache-2.0 release bundles a real-time control framework, motion and grasp planning, pose estimation and a digital twin, plus an open CNC machine-tending reference design. It targets ROS 2 Lyrical Luth.Mon, 02 Nov 2026 00:00:00 GMT