Tutorials
SLAM Toolbox tutorial: map a robot in ROS 2
Set up SLAM Toolbox in ROS 2: required transforms, launch commands, the parameters that matter, saving maps and the failure modes to…
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
MQTT robot telemetry with ESP32: topics, QoS and code
Design MQTT topics for a robot, pick the right QoS, publish telemetry from an ESP32 and avoid the buffering and Wi-Fi traps…
Tutorials
Planetary vs spur gearbox for robots: torque, backlash, cost
Compare spur, planetary and harmonic gearboxes on torque density, backlash, efficiency and Indian prices, and see which joint each one suits.
Tutorials
micro-ROS tutorial: put a ROS 2 node on an ESP32
How micro-ROS works, installing the agent, a minimal ESP32 publisher, transport choices and the limits you hit on a microcontroller.
Buying guides
Buying a used industrial robot in India: what to check
What used industrial robots cost in India, the inspection checks that matter, paperwork to demand and the hidden installation costs after the…
Tutorials
3D printed robot parts: material and design rules that hold up
PLA, PETG, ABS, TPU and nylon compared with Indian prices, plus wall thickness, layer orientation, heat-set inserts and tolerance rules for robot…
Buying guides
Robot integration checklist: 6 phases from spec to handover
A phase-by-phase robot cell integration checklist covering specification, site readiness, safety, commissioning, acceptance testing and handover documents.
Tutorials
MuJoCo for robotics: install, first model and when to use it
A practical MuJoCo guide for robotics: installation, a minimal MJCF model, ROS 2 integration routes and where MuJoCo beats Gazebo or Isaac…
Tutorials
Robot accuracy vs repeatability: what the numbers actually mean
Repeatability, accuracy, resolution and ISO 9283 testing explained, with typical values and how to check a used robot before buying it.
Tutorials
ros2_control tutorial: controllers, hardware interfaces and config
Set up ros2_control on a differential drive robot: controller manager, hardware interface lifecycle, YAML config and the spawner commands that actually run.