Posts Tagged ‘light’

Giant Singing Tesla Coils: Ghostbusters theme

Steve Ward make use of a pair of enormous Tesla coils and a light bulbs  to recreate the ghostbusters soundtrack. And of course he need to also a wear a huge faraday suite to prevent himself from getting electrocuted.

Simple USB table LED light

Yes. I understand that table light or usb light can be purchase outside easily. But why not give it a try during your free time because the stuffs you need to make this usb led light cost you less than $5. This usb led light will be able to assist your typing in the dark.

LED connection

Cut off one side of the usb cable and follow the diagram above to connect your spare usb cable to the LED. Take note in between the negative side of the LED and the nagative side of the usb cable there is a 100ohms resistor. The picture show a 47ohms resistor, dun use that use a 100ohms resistor is better.

This is how it look like.

The portion circle in red is heat shrink tubes, use this to prevent any short circuit.

Final product

This is the finished usb led light, you can design it further depend on how you want it to look like. To attach to a laptop you can use a clip or blue tag to stick it to the LCD screen then point it onto the keyboard.

Source: josepino

DIY built-in pop-up flash diffuser

There no need to buy a pop-up flash diffuser because there is a simple guide which you can do it yourself. You may ask why do we need a pop-up flash diffuser for? The reason is that the build in flash is so small, it is a very hard light source and it can not be bounced.

Do it yourself pic 1

As you can see from the picture above it is very easy. What you need is just a wire hanger and a vacuum bag(use for the diffusing material). Follow the two picture below to shape your wire hanger. Dun worry it just take trial and error to get it right.

Do it yourself pic 1

Do it yourself pic 3

One thing to take note while you bend the wire, try to bend the wire along the side of the flash hot shoe. Because the wire’s plastic coat will eventually come
off, you do not want to short-circuit the pins on the hot shoe base.

Source from diyphotography