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Zero Budget EngineeringBuild Robots from Scrap
No money? No problem. Learn how to turn old phones, broken printers, and cardboard boxes into fully functional robots. This is real engineering.
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NexInnovator's founder won a Bronze Medal at WYSII Bangkok 2026 — starting with the same limited resources as you.
🔧 WHAT YOU NEED
Any Android phone (even broken screen works!)
⚡ WHY IT WORKS
A smartphone has: CPU, GPU, camera, gyroscope, accelerometer, compass, WiFi, Bluetooth, speaker, microphone — more sensors than most Arduino setups combined.
📋 STEP-BY-STEP
- Install Termux app (free Linux terminal on Android)
- Install Python via Termux: `pkg install python`
- Use Python + OpenCV for computer vision
- Connect to Arduino via USB OTG cable for motor control
- Use phone camera for object detection with TFLite
- Control via phone's WiFi hotspot from laptop
🤖 PROJECTS YOU CAN BUILD
Face-tracking robotGesture-controlled carVoice command botAI vision robot
⚠️ SAFETY NOTES
Remove battery if damaged. Don't short-circuit. Use USB OTG safely.