White LED Stroboscope

Posted on Dec 2, 2012

Finally, white LED`s are bright enough to use in a practical stroboscope. This circuit can operate as a bench-top stroboscope that, in conjunction with an oscilloscope or frequency meter and bench top power supply can accurately measure rotational speeds, or it can be operated hand-held from a single 9V battery, using a marked scale to estimate rotational speeds. Its a nice iinstrument to have on or around the workbench. Besides that, its fun to use.

White LED Stroboscope
Click here to download the full size of the above Circuit.

Its bright enough to use without dimming the room lights and with the aid of a frequency meter or oscilloscope, can measure rotational frequency to within a few degrees per second. This LED stroboscope is a fairly simple circuit for the similarly simple t

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