DIY AC to DC audio speakers – The world most versatile rechargeable DC audio speaker DIY project

video
Description: Here are the AC-to-DC audio speakers that I built. They are the most versatile audio speakers in the world since they can be operated on AC power, DC power with lithium battery, lead-acid battery and even alkaline battery. With lead-acid battery they...

7 year old boy Matthew teaches how to solve 3×3 Rubiks Cube Amazing!

video
Description: Matthew will be showing you how to solve 3x3 Rubiks Cube.

World’s first DIY Highly Efficient Ultrasonic Portable Air Mist Cooling Air Conditioner Version 1

video
Description: I just built my first version of highly efficient air cooling system (portable conditioner) using palm-sized ultrasonic humidifier and usb fan. It uses only 7 to 8 watts! Next time I will show you even more efficient air cooling system using less...

Do not throw away old Sealed Lead Acid Just Yet – Revive SLA Lead Acid Battery for reuse

video
Description: Today I will show you how to revive or recover your old sealed lead acid battery.

Quick Charger for cellphone or smartphone How to make DIY Powerful and portable easy to build

video
Description: How to make your own quick charger for the cellphone or smartphone using a rechargeable spotlight. The quick charger can charge the smartphone from 10% to 100% in about two hours. It probably can charge the smartphone three to five times before...

Quick Cheap Vlogging camera without flip out screen – Save several hundred dollars!

video
Description: Today I will be showing you how to setup a vlogging camera without the flip out screen that normally is required to see yourself while vlogging.

How to extend / boost Wi-Fi signal in basement and backyard with Amped Wifi Extender

video
Description: How to extend or boost your WiFi signal using a high powered WiFi Range Extender. Make sure you place the WiFi Extender in the correct position (between the main WiFi router and the place where you would like to signal to extend to).

How to convert mini-SIM to micro-SIM chip for Samsung S4- switch Bell or Rogers to 7-11 Speakout

video
Description: Today I would like to show you how I convert my mini-SIM card into micro-SIM card. Why? My mini-SIM chip is a Pay-As-You-Go Seven-Eleven Speak-Out card. I have the new Samsung S4 but it requires micro-SIM card. The Speak-Out account...

How to fix your clogged bathroom sink with a coat hanger – Repair your sink fast and easy way!

video
Description: You can use the metal coat hanger to unclog your sink! I found that's all I needed to fix my clogged sink. If this does work proceed to the next step below. After you have taken all the dirty stuff out of the...

How to modify DJI Spark to less than 250g with discussions and the implications

video
Description: In this video I will be showing you how I modified my DJI Spark to less than 250g and discuss about it.