Tutorials
ROS 2 launch files: a practical tutorial
Write ROS 2 Python launch files with arguments, YAML parameters, remaps, namespaces and conditions, and fix the errors that stop nodes starting.
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
Hydraulic vs pneumatic vs electric actuators
Force, precision, efficiency and 2026 India costs for hydraulic, pneumatic and electric actuators, with the sizing maths that decides most applications.
Tutorials
Robot maintenance checklist for small plants
Daily, weekly, monthly and annual robot checks, the failures that actually stop a cell, spare parts worth keeping and the numbers to…
Buying guides
Raspberry Pi vs Jetson for robotics: which board
Raspberry Pi 5 or Jetson Orin for a robot? Compare compute, power, price in India and the workloads where each board is…
Buying guides
Machine tending robots in India: costs and payback
What a machine tending cell costs in India, the gripper and chip-control details that decide success, and the payback maths before you…
Careers
Robotics interview questions in India for engineers
The questions that repeat in Indian robotics interviews, what a strong answer contains, practical tasks, red flags and a four-week preparation plan.
Tutorials
Robot TCP calibration: the four-point method
Calibrate a robot tool centre point with the four-point and six-point methods, identify payload, verify with a dial indicator, and know what…
Buying guides
How to build a drone in India: parts, cost and rules
A 5-inch quad parts list with 2026 India prices, DGCA registration basics, build order, first-flight checks and the mistakes that destroy electronics.
Tutorials
Gazebo ROS 2 tutorial: simulate a robot that drives
Install Gazebo with ROS 2 Jazzy, spawn a robot from URDF, bridge lidar and clock topics, and learn where simulation stops being…
Tutorials
PLC programming for beginners in India
Which PLC to learn in India, what the scan cycle changes, ladder logic basics, hardware costs and a six-step path from blinking…