Long Endurance 18650 Powered Drone That Fits in MY BACKPACK!

How-To DIY an 18650 Li-Ion Battery with cells from eBay making a fully GPS guided, long range plane!. Tutorial- Soldering

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Super Low Electrical Energy Meter || DIY or Buy || Is measuring µA/nA possible the DIY way?

You can buy the Otii Arc here: https://www.qoitech.com/buy/ Thanks to QOITECH for sponsoring this video. Previous video: https://youtu.be/83Mdnc7FyVY HACKED!: Speaker

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Building the simplest, best sounding, yet most inefficient Audio Amp! || Class A Audio Amp Tutorial

$2 for 4-Layer PCBs: https://jlcpcb.com Previous video: https://youtu.be/8u4izLA-SCo Transistor (BJT) as a Switch video: https://youtu.be/WRm2oUw4owE Low Budget Bluetooth Music System

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Using a car alternator with a bike to power my home? How much energy can I produce?!

Part 2: https://youtu.be/GHdIGt7bbyU $2 for 1-4 Layer PCBs, Get SMT Coupons: https://jlcpcb.com/AAA Previous video: https://youtu.be/iN6j1AbUbYo Turning an Induction Motor into

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