Robotics Project Hub

Interactive robotics projects, simulators & tutorials

Build, learn & simulate robotics projects

Run a robot in the browser until the idea clicks, then follow the build: wiring, parts and source code for Arduino, ESP32 and Raspberry Pi. No hardware, no account, nothing to install.

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Simulators
14
Disciplines
12
Hardware needed
00

Same loop, every scale

Sense. Decide. Move. Repeat.

An assembly-line arm, a warehouse rover and a humanoid all run the same loop: read a sensor, compare it to a target, drive an actuator, read again. Change the hardware and the loop stays. That loop is what every simulator on this site lets you hold in your hands.

Start with the control loop

Understand the engineering, inspect the algorithm, then experiment in the browser.

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Line Follower Simulator: Tune a Robot in Your Browser technical schematicSENSOR ERROR

Turn PID theory into robot motion

Draw a custom track, reposition the sensor array, tune proportional, integral, and derivative gains, and read performance metrics in real time.

  • Deterministic step execution
  • Live sensor visualization
  • Example tracks and freehand editing
Open line follower lab

Five kinds of page, and what each is for

You have just seen the simulators: the labs where an idea moves. Everything below is what they connect to.

15 projects

Projects

A complete build, sequenced. Every part, tutorial and simulator it needs, arranged as a tree that ends in a working robot.

Newest buildBuild a Pick-and-Place Robot That Knows It Missed

62 tutorials

Tutorials

One technique, start to finish: the theory, the working code, and the failure modes nobody warns you about.

Newest guideFriction, Force Closure and Why Two Contacts Is a Bet

11 roadmaps

Roadmaps

A skill rather than a robot. Follow one to go deep on control, navigation or vision, in the order the ideas actually build.

Newest pathGrasping and End Effectors: Actually Pick It Up

25 components

Components

The parts themselves: specs, wiring, what each one costs you in practice, and which builds depend on it.

Recently addedServo Gripper

From first principle to working controller

Every project connects an observable experiment with the theory and implementation choices behind it.

  1. 01

    Discover

    Choose a robot behavior, platform, or engineering discipline.

  2. 02

    Simulate

    Change inputs, inspect system state, and test edge cases safely.

  3. 03

    Build

    Move from the visual model to algorithms, circuits, and hardware.

Robotics projects you can run in your browser

Every robotics project here starts as something you can run. Draw a line-following track and watch the sensor array read it, tune a PID controller until the overshoot disappears, or let a maze robot plan its route a cell at a time. Then move to real code and circuits once the mechanism is obvious. The lab and the explanation sit on the same page deliberately: an idea you have already watched behave is much harder to forget.

Learn by doing, no hardware required

Most beginners stall in the same place. You need motors, sensors, a board and a bench before anything moves, and one wiring mistake costs a weekend. Each simulator here is a real, deterministic model you drive in the browser, so a differential-drive robot, a reflectance sensor array or a two-link arm's reachable workspace makes sense before you have spent anything. It is also the honest order: hardware punishes you for misunderstanding the control loop, so it is worth understanding first.

Arduino, Raspberry Pi, and ESP32

Real robots run on real boards, so every concept maps onto hardware you can buy: line following and PID motor control on an Arduino, reactive obstacle avoidance on a Raspberry Pi, a flood-fill maze runner on an ESP32. The tutorials cover choosing between them too: when an 8-bit microcontroller is genuinely enough, and when you need a full Linux computer. Each project page carries the source code, a wiring diagram and a component list, so the thing you tuned in the browser is the thing you build.

Robotics projects: frequently asked questions

Broader questions about the field (types of robots, where AI fits, who builds them) are on the robotics FAQ.

What is a robotics project?

A robotics project is a hands-on build that combines sensing, decision-making, and movement to make a machine perform a task, such as a line-following robot, an obstacle-avoiding rover, or a robotic arm. A good project links the theory (sensors, control, algorithms) to real code and hardware. On Robotics Project Hub every project begins as an interactive browser simulator, so you understand the mechanism before you build it.

What are some beginner-friendly robotics projects?

Strong starting projects include a line-following robot, a PID speed or heading controller, an ultrasonic obstacle-avoidance rover, and a simple sensor-filtering experiment. They teach the core ideas of sensing, feedback control, and motor drive without complex hardware. You can try all of them as free simulators here before wiring anything up.

What are good robotics projects for students?

Match the project to your level: line following or PID control for beginners (around class 7 to 10), maze solving or obstacle avoidance for intermediate students, and inverse kinematics, SLAM, or a ROS 2 differential-drive robot for final-year work. Each guide here explains the theory, algorithm, and wiring, so it works for a class assignment or a capstone project.

How do I make a robotics project?

Start from the behavior you want (follow a line, avoid obstacles, solve a maze), learn the sensing and control loop behind it, then implement it in code and hardware. A reliable path is to simulate the idea, tune it, then move to an Arduino, ESP32, or Raspberry Pi build. Every project here pairs an interactive simulator with the algorithm, example source code, and a wiring diagram to follow.

Do these robotics projects include source code?

Yes. Each project page includes example source code (Arduino/C++ or Python) alongside the theory, a downloadable wiring diagram, and a component checklist. The browser simulators use the same control logic, so the behavior you tune in the simulator maps directly onto the code you run on hardware.

Learn the system before buying the parts.

Browse complete project guides, compare simulator states, and build a reliable engineering intuition.

Browse robotics projects