We’ve all experienced that split second of panic when we reach into a pocket and find... nothing. If you are down to your ...
Controlling a lunar lander using a 1980s home computer is not for the faint of heart, and this project shows how one intrepid ...
A standard telephone keypad, with four rows of three keys each. The top row consists of 1, 2, and 3, with keys continuing down in order until the last row, which is usually *, 0, and #. Such a keypad ...