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.
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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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n8n AWS SNS 400 Bad Request With Empty Error? The 2026 Fix
n8n’s AWS SNS node failing with 400 and an empty message? It’s the GET request, not the 256 KB limit. Here’s how to fix large SOC alerts.
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Do Not Blindly Whitelist Image Files: A 2026 Blue Team View
Red teams live off the file types your policy calls harmless. Here is why blanket whitelisting of images, PDFs and documents breaks your detection in 2026.
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Which Logs Should a SIEM Collect? A 2026 Priority Guide
Collecting every log in a corporate network is unaffordable. Here is exactly which log sources matter, which ones to drop, and how Indian SOC teams cut cost.
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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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Do IT Certifications Really Get You a Job in 2026? The Truth
Certifications alone won’t land you an IT job in India. We break down what actually matters – from resume screening to cracking technical interviews in 2026.
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Copyright Scam Emails Exposed 2026 – How to Spot and Stop Fake Legal Threats
Getting a “copyright violation” email with a 24-hour deadline? We break down exactly how these scam emails work and what you should do instead of panicking.
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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.
