At 2:31 PM 1/8/97, Prashant Bhandary wrote:
>Many moons ago Elektor came out with an issue which contained nothing but
>projects using empty soft drink cans. Among the assorted circuits in there
>was one where the can had a column of LEDs mounted and was rotated using a
>motor. An LM3914(or one of those chips which drive an LED bargraph based
>on a voltage input) chip was connected to these LEDs and the result was
>an oscilloscope! The time sweep is adjusted by changing the speed of the
>motor.

That cokescilloscope would probably be hard to trigger.