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Breadboard Basics: The Ultimate Beginner’s Guide to Electronics DIY (No Soldering Needed!)
Tutorials Colin 2026-05-12 16:53 278
New to electronics DIY? The very first tool you need is a breadboard – and this video walks you through everything from the ground up. 🛠️Learn how to test circuits without soldering, why the holes are connected in rows, what the center gap ...
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How to Make a Simple Sound-Activated Relay Switch
Tutorials Colin 2026-05-11 17:24 304
Build a super sensitive sound-activated relay switch with just one clap! 🎤💡 In this step-by-step soldering tutorial, we use an IC 555 in monostable mode to shape the trigger pulse, and a 7474 D flip‑flop for toggle‑action memory (clap on, c...
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USC Algorithm Creates Breakthrough Wireless Chips Faster Than Human Engineers
Science Colin 2026-05-11 14:00 249
Abstract：A USC PhD student has developed an algorithm that can autonomously design radio frequency chips in days, achieving performance beyond traditional human methods. This breakthrough could accelerate the development of smartphones, 5G/...
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Build a $15 DIY Drone with Rulers? 🤯 (Better Than Toy Drones!)
Tutorials Colin 2026-05-09 17:11 537
Want a powerful DIY drone that outperforms any cheap toy drone from online stores — for just around 100 yuan (~$15 USD)? In this step-by-step tutorial, I’ll show you how to build your own quadcopter using ordinary school rulers as the frame...
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Track Usage: Must-Know Knowledge & Real-World Experience
Tutorials Colin 2026-05-08 17:00 315
This video provides a detailed explanation of the disassembly and assembly principles and methods for tracks used in tracked vehicle chassis. It covers the construction of a complete closed-loop track, the interlocking connection of individ...
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Dutch Iron Powder Project Secures €100M to Decarbonize Factories
Science Colin 2026-05-07 11:44 292
Abstract：A Dutch-backed iron powder fuel technology offers high-temperature, carbon-free industrial heat through a recyclable combustion cycle, poised to scale from pilot projects to commercial deployment in Europe.A Dutch spin-off from Ein...
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DIY Variable Speed Magnetic Coupler | Contactless Design With Zero Mechanical Wear
Tutorials Colin 2026-05-06 17:03 307
This magnetic coupling has no gears, no mechanical wear, but suffers from very low torque due to magnetic limitations. However, it enables leak‑proof transmission and automatic overload protection. In this video, we push its performance to ...
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Build an RC car with four brushless motors — Will all four wheels spin separately?
Tutorials Colin 2026-04-30 16:48 309
Watch how four brushless motors come together to create a surprisingly agile RC car. From building a sturdy chassis and steering system to programming the remote, this project showcases impressive craftsmanship and creativity. See it accele...
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Design a Vacuum Energy Storage Device Using Atmospheric Pressure
Tutorials Colin 2026-04-30 14:46 311
Can atmospheric pressure store energy? This DIY project builds a vacuum battery that charges by pulling pistons against air pressure and discharges by letting them push back. With 73% efficiency—comparable to pumped hydro—it’s a promising m...
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DIY Smart Robotic Arm | Build It Completely From Scratch
Tutorials Colin 2026-04-29 15:25 256
I’m building a 6-axis robotic arm from scratch to fulfill the Iron Man dream. I compare servos, robot joints and stepper motors, and settle on an STM32 controller paired with stepper motors and planetary gear reducers. I also walk you throu...
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Only 3 Components! Turn a 12V Transformer into an Inverter
Tutorials Colin 2026-04-28 17:44 360
Build a simple 12V to 220V inverter with just one transformer and three components! Perfect for power outages or outdoor use. This step-by-step tutorial shows you how to use a D688 transistor, two cement resistors, and a mains-frequency tra...
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Building a Novel Pendulum Power Generator
Tutorials Colin 2026-04-28 17:03 286
This video shows how a pendulum generator turns a ship’s rocking motion into electricity – even when all power is lost. Starting from a simple magnet and copper block, we build a large 40 kg pendulum, add coils, rectifiers, and capacitors, ...
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