Yes, use a pic

The picaxe 08M does it in an 8 pin pkg with only Led limiting
resistors for passive parts. Set the delay on or off to the
millisecond. Will flash up to four leds, in any order. On board A/D
if you need it pot adjustable.

Only development board is a serial cable and 9 pin connector. Easy to
learn and use. Works fine on 2 AA batteries, up to 5V, uses very
little power.

I'm coupling them to el cheapo CCD cameras for time lapse photography.
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