So I've been looking to make a light flash at a very high speed (microseconds).
I have a 1MHZ crystal oscillator, this should give me a period of one microsecond.
If I was to power the crystal, and attach the output to the base of a transistor, could I use this to make a light attached to the emitter flash (if I applied the appropriate voltage and current to collector) by letting voltage and current through every microsecond?
If not, can anyone think of another way to do this?