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Old 10-08-10, 09:20 AM   #19
Xringer
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You could copy the MOSFET 'H' drives from the Redrock LED3X design..

LED3X Solar Tracker Assembly



The 7414 inverter inputs 1 & 3 is where you could apply your TTL control signals.

You need to make two of these for your X & Y tracker.
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