Tutorials
YOLO object detection on a robot: a practical setup
Run YOLO on a robot: frame-rate budget, model size, dataset, export formats, turning boxes into 3D positions and the failures seen in…
Archive
Author: Jignesh Panchal
Jignesh Panchal is the founder of Jaadu Digital and author of Robotics Engineering, an India-focused robotics publication. The site uses AI-assisted research and drafting; educational guides and illustrative calculations are not claims of hands-on testing or machinery-safety certification.
Tutorials
Harmonic vs cycloidal drives for robot joints
Compare harmonic and cycloidal reducers on backlash, shock load, efficiency and cost, and see which joint on a robot should use each.
Buying guides
How to calculate robot payload for a real cell
Rated payload is not usable payload. Calculate tool mass, centre of gravity, moment and inertia, and know what to ask a vendor…
Tutorials
Battery management systems for robots explained
What a BMS protects, protection board vs smart BMS, how to size the current rating, and the balance-lead wiring mistakes that destroy…
Tutorials
ESP32-CAM robot vision: streaming, latency and limits
Put an ESP32-CAM on a robot: wiring and power, the CameraWebServer path, realistic latency, and when a Raspberry Pi or Jetson becomes…
Tutorials
NEMA 17 vs NEMA 23: torque, drivers and real cost
Compare NEMA 17 and NEMA 23 steppers on torque, current, drivers, voltage and Indian prices, and see how to size an axis…
Tutorials
URDF vs SDF: what each format is for in ROS and Gazebo
URDF describes a robot for ROS; SDF describes a world for Gazebo. Learn the differences, how conversion works and the workflow that…
Tutorials
ROS 2 bag files: record, inspect and replay properly
Record the right topics, compress sensibly, replay with simulated time and avoid the QoS and storage mistakes that make a rosbag useless.
Tutorials
Teach pendant programming: modes, frames and motion types
Learn teach pendant programming across FANUC, KUKA, ABB and Yaskawa: operating modes, coordinate frames, motion instructions and safe practice.
Buying guides
FANUC vs KUKA vs ABB vs Yaskawa: how to choose
Compare the four major industrial robot brands on programming, service, spares and software, and see what should actually decide the purchase in…