Learn how to make a solar-powered Autobot robot with this fun and educational DIY tutorial! 🤖☀️ Using basic electronics and creative crafting, build a transformer-style Autobot robot that moves using ...

How to Make Mechanical 7 Segment Display from Cardboard In today's video I want to show you 7 segment display with unique mechanism that is our own invention. There are 7 circles inside. Each circle ...