Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 20, 2011
Click here to see how it's done: http://bit.ly/f4GggU Do you need a telegraph key to practice Morse Code and experiment with the serveral Arduino Projects in 'Nibbles and Bits'? Here is one you can build quickly out of a clothes pin, block of wood, two small bolts and four nuts.