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  1. G

    Allan Timer Circuit

    Does anyone familiar to this ? do you have a schematics about this circuit ?
  2. G

    12v Fan Reduce speed in every minute interval using 555 timer.

    Hi guys im pretty new to electronics, I know its to much , Im looking for a simple schematic design about 12v fan that can automaticaly reduce its speed in a minute interval . From 100% speed to 60% to 30% until zero. regards genrick son,
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