At 10:32 PM 1/12/03 -0800, you wrote:
>I wanted to know the best method I can supply my gadget with DC power
>without external power supply. I have a continuous moving parts (gear)
>which is continuously forward and reverse. I can use DC motor as input
>from gear to get input pulses.
>
>The pulse of course is in positive and negative due to forward and
>reverse.
>Any method to turn this positive and negative pulses into continuous DC
>voltage of around 9-12 V DC, 600-800 mA.

A bridge rectifier, big enough filter capacitor or rechargeable battery,
and possibly a regulator (linear, stepup switching, buck-boost, buck or
whatever, depending on what you get out of the power supply).

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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