New here? Pick the path that matches what you want to do. Every guide on this site is written to help you build, buy or learn something specific, with the maths and the failure modes included. Costs are illustrations, not quotes.
I am a student or beginner
- Start with the Learn hub for plain explanations.
- Follow the one-page learning roadmap.
- Grab the free project starter kit and the Free Library for report templates and viva questions.
- Look up unfamiliar words in the robotics glossary.
I want to build a robot
- Browse costed project builds with bills of materials, pin maps and code.
- Check parts in components.
- Run the pre-power-on checklist before your first test.
- When something breaks, search the error library.
I need a number
- Use the calculators for torque, gears, wheels, batteries, steppers and encoders.
- Keep the formula cheat sheet open while you design.
I am buying parts
- Read the buying guides.
- Use the parts buying checklist on any listing.
I work in or want to enter industrial robotics
- The industry hub and industrial robotics in India cover cells, cobots and safety.
- The automate hub covers PLC and cell topics.
- The careers hub covers roles, skills and portfolios.
Browse everything
- All guides, A to Z, listed by category.
- Robots, ROS 2 and vision, AI in robotics and competitions.
How this site works
Articles are written, checked and maintained by Jignesh Panchal of Jaadu Digital, and reviewed before they go live. Read the editorial standard, the about page, and get new build notes through the newsletter. Questions go to the contact page.
Last reviewed: November 2026. Free to copy and adapt for your own project, with credit. Written, checked and maintained by Jignesh Panchal of Jaadu Digital. See the editorial standard.