Tutorials
TMC2209 vs A4988: which stepper driver for your robot
Compare the TMC2209 and A4988 on current, voltage, noise, microstepping and stall detection, with wiring, thermal limits and a decision table for…
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Plain-English tutorials that build on each other: a pin, a sensor, a control loop, a node. Written for people who have to make the robot move.
Everything here is written to be used on a bench, not admired on a slide. Each guide answers one question a builder actually hits: why the servo browns out the board, why the sensor reading jumps, which board to buy with ₹3,000, what an examiner expects in the report. Prices are planning ranges in rupees, and every build sheet says what it has not tested. These robotics tutorials are written to be used on a bench, and each one answers a single question builders hit.
These guides cover the industrial side: what a robot cell costs in India, what a safety audit has to test, and what a maintenance contract or insurance policy actually covers.
Every article is reviewed against manufacturer datasheets and current Indian listings, then dated. Nothing on this site claims a physical build test unless the article says so and shows the evidence. If a guide conflicts with a datasheet or a safety standard, the datasheet wins — see the editorial standard for the full process.
If you have never powered a motor, read the power guide and the battery guide before buying a driver. If you have a project deadline, read the final-year project list and the report format together; the build is only half the marks. If you are choosing a branch specialisation, start with the careers guide and then build one project from the library so the interview has something concrete to discuss.
Building a machine for a factory rather than a bench? The industrial robotics guides apply the same engineering discipline at plant scale: specifying the robot, commissioning the cell and proving it is safe.
No. The site has a guide to learning the control logic and code without buying parts first, so you can start with a simulator or an emulator and buy components once you know what the build needs.
Most beginner projects here use an Arduino Uno or an Arduino Nano, because the parts are cheap and widely documented in India. Move to an ESP32 when you need WiFi or faster processing.
Each project page lists its parts with rupee prices, so you can cost a build before ordering anything.
The guides set out a parts list, the wiring and a test that proves the build works, which is the evidence most submissions are marked on. Check your department requirements before you rely on them.
Tutorials
Compare the TMC2209 and A4988 on current, voltage, noise, microstepping and stall detection, with wiring, thermal limits and a decision table for…
Tutorials
Design a small robot arm: reach and torque, degrees of freedom, joints and bearings, materials, cable routing and the CAD checks before…
Tutorials
Wire a safety relay properly: dual-channel inputs, cross-monitoring, EDM feedback, reset rules and the tests that prove the safety function works.
Tutorials
Understand the Kalman filter with worked numbers: prediction, correction, Q and R, the extended version for heading, and where it fits in…
Tutorials
Build a self-balancing robot with an MPU6050: parts, angle estimation, two-loop control, tuning order and the failures that make it fall at…
Buying guides
What a welding robot cell costs in India, from a single-station MIG cell to a two-station positioner setup, with arc-on payback maths…
Tutorials
Compare RobotStudio, KUKA.Sim, ROBOGUIDE, RoboDK and open-source tools for reach checks, cycle time, offline programming and virtual commissioning in India.
Tutorials
Write a ros2_control hardware interface: SystemInterface lifecycle, state and command interfaces, URDF and YAML setup, testing with mock components and safety limits.
Tutorials
Set up a safety laser scanner properly: warning and protective zones, mounting height, separation distance, response time and planning costs in India.
Buying guides
Choose a robot gripper with calculated grip force, the right jaw material and vacuum or electric options, plus planning prices for India.