Howto: Make a DVD Burner into a High-Powered Laser

This page shows a nice way to make a DVD Burner into a high-powered laser -- one that can pop balloons and burn plastic!

Hard Drive Clock

You have probably seen my original Hard Drive Clock. It uses red and blue LEDs to make three colors for clock hands (the third color is red and blue together which is purplish). The light is seen through a slot that is cut into the top platter. With some electronics it was possible to time the flashing of the LEDs to place the clock hands where they needed to be. Two students, Jason Amsel and Konstantin Klitenikfrom from Cornell University used my basic design and expanded it into a University project. Both designs can be seen below. Read more

Total Christmas light control

Now that Thanksgiving is in full swing, I think I can safely mention Christmas without receiving the beat down. In this project, Christmas is just an excuse to build a parallel port connected control box capable of switching 320 individual circuits. The interface is constructed out of two types of chips: the 138 decoder and the 374 flip-flop. Each flip-flop is attached to an individual serial port that is connected to an 8 outlet switch box. Along with this system the site features lots of other home built and modified controls.

How to make the grinding machine tool from Hard Drive.

How to make the grinding machine tool from Hard Drive.

We have the HDD model Seagate ST9546A Linear Speed 2.4 MB/sec 1995 of release.
What do you think, will suffice the capacity to make the grinding machine tool?

Another attempts with new HDD have failed. At one has failed the engine at the second the controller has burned down.

Here it our pre-production model - it already never will find the former life. But we that trust in reincarnation;)

We break off head HDD that it did not stir to ours test. One of the testers has damaged his hand.

You can see his blood.

We cut out a circle from an emery paper we

Paste an emery paper to a disk.

Start! Yup!! It really works! We have grinded a chisel and a knife. And now this knife we cut a doll from a strong fabric as an edge of the razor.

Look 2 minute video with this test.
How To Make The Grinding Machine Tool From Hard Drive. - video powered by Metacafe


This thing but next time I'll tell you how to overlockinf CPU in 10 times faster