Robotics & Hardware

Start building AI robots

Everything you need to go from zero to a working AI-powered robot — free tools, cheap boards, real projects.

Free simulators

Webots

Open-source 3D robot simulator with physics.

Gazebo

Industry-standard ROS simulator.

NVIDIA Isaac Sim

GPU-accelerated robot simulation.

CoppeliaSim EDU

Free educational robotics IDE.

Starter boards

Raspberry Pi 5

Full Linux SBC — perfect brain for a robot.

Arduino Uno R4

Cheap microcontroller for motors & sensors.

ESP32

Wi-Fi + Bluetooth microcontroller under $5.

NVIDIA Jetson Nano

GPU board for on-device AI inference.

Project ideas

Object-detecting Pi robot

Beginner

Raspberry Pi + camera + YOLO to detect and follow objects.

Voice-controlled desk lamp

Beginner

ESP32 + Whisper API to toggle a lamp with voice commands.

ROS 2 obstacle-avoiding rover

Intermediate

Arduino chassis + Pi running ROS 2 nav stack.

AI-powered robotic arm

Advanced

Jetson Nano + servo arm + vision to pick coloured blocks.