ROS 2 Tutorial for Beginners: Learn ROS 2 Without a Robot
ROS 2 tutorial for beginners in India: install ROS 2 Lyrical on Ubuntu or Raspberry Pi and learn nodes, topics, services and actions with turtlesim.
Embedded Systems & Robotics
Explore the world of hardware engineering, robotics, and embedded systems development. This section provides deep-dive tutorials on microcontrollers (Arduino, ESP32, STM32), single-board computers (Raspberry Pi, NVIDIA Jetson), and industrial automation. From custom PCB design and circuit prototyping to advanced robotics programming and IoT integration, we provide technical resources designed for engineers, makers, and students. Learn how to build, program, and scale smart hardware solutions using industry-standard tools and frameworks.
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PID Controller Robotics: Stop Your Line Follower Wobbling
Learn how a PID controller works in robotics, with Arduino code, simulation data and tuning steps. Simple English guide for Indian students and makers.
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Real-Time Object Detection – Run YOLO on Raspberry Pi: (2026)
Run YOLOv8 object detection on a Raspberry Pi 4 with the V1 camera – no GPU needed. Real errors, real fixes, tested by Indian makers at RootSaid.
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How to Run a Local AI on Raspberry Pi Using Ollama and Gemma (2026 Guide)
From setting up Ollama and downloading Gemma, to wiring up the microphone and speaker, to running the complete voice assistant live on a Raspberry Pi 4.
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Build a 100% Offline AI Voice Assistant on Raspberry Pi with Ollama + Gemma (2026)
Complete guide to building a fully offline voice assistant on Raspberry Pi 4/5. Uses Ollama + Gemma for AI, Whisper for speech-to-text, Piper TTS for voice output. Full Python code included. No cloud, no API keys — 100% private.
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How to Use DHT11 Sensor with Arduino: Wiring, Code and Projects Explained
Learn how the DHT11 temperature and humidity sensor works, how to wire it to Arduino, and build a temperature-triggered automatic fan controller. Full code included.
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Install OpenClaw on Raspberry Pi and Control Arduino with AI (2026 Guide)
Install OpenClaw on Raspberry Pi and use it as an AI agent to write, compile and upload Arduino sketches automatically. Step-by-step guide with security tips.
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ELECFREAKS TPBot Review 2026: Is This micro:bit Robot Car Worth It?
In-depth ELECFREAKS TPBot review with setup guide, MakeCode programming tips, and project ideas. Learn why this micro:bit robot car is perfect for STEM beginners. Includes pricing and specs.
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Raspberry Pi LED Control with Python (GPIO Beginner Guide 2026)
Learn how I controlled an LED using Raspberry Pi GPIO with Python. A beginner-friendly tutorial with real troubleshooting tips and automation ideas.
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Arduino and Raspberry Pi Serial Communication (USB & TX RX UART Guide)
Learn how I connect Arduino and Raspberry Pi using USB and UART TX/RX pins with simple Python and Arduino code for beginners.
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How to Build a Raspberry Pi Zero Robot with L293D (Keyboard Controlled)
Step-by-step guide to building a Raspberry Pi Zero robot using L293D with PWM speed control and keyboard driving over SSH.
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How to Access a Raspberry Pi Remotely: 5 Methods Compared
Set up Raspberry Pi Connect for browser-based remote access with no port forwarding and no static IP — plus how it compares with VNC, SSH and Tailscale.
