Showing posts with label gadgets. Show all posts
Showing posts with label gadgets. Show all posts

Make A Laser Listener!

Make A Laser Listener!
Learn how to transmit audio over a laser beam. And incase you are wondering. Yes. This is true. The CIA has been using this technology for decades.

Make A Custom Usb Drive

I use a lighter as a case for my usb drive and come out prety cool.

DIY Keychain Phone Charger - (runs without electricity)

I make for my self tiny 9v phone charger that i made out of usb car charger and its power up by alkaline 9v battery. I put on my keyring so i will never forget and 9v batteries I can purchase almost everywhere.

How to convert charger into night led lamp

I need night lamp for my room so I decide to make it from a old phone charger and 4 leds. First with screwdriver I open the charger and inside is circut board where is two wires that give 5 volts.I connect 2 leds in serial and add 2 more leds in parallel. All that I put inside the charger and glue it. With energymeter I measure that this led lamp pull about 2 watts.

ZIP EARBUDS!

Homemade zip earbuds,for makeing you will need zip fastener you can buy a new one or you can pull out from old clothes. I try with sewing the zip fastener but it was to hard and too much time to do that so the easy method is to glue it.

Reuse Old Laptop Battery To Make Power Bank

I salvage lithium batteries from my old laptop battery and I use them for my power bank that use 4 pcs of 18650 battery total of 10400mah.I spent money just for power bank case that cost me under 4 $.

Cool Syringe Robot Instead Of A Tripod

Charge Your Phone Without its Charger

When you forget you charger,you can use this dynamo charger to charge the phone with your hand.I convert the dynomo led flaslight into charger just adding bridge rectifier,capacitor and usb female plug.