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Molex to 1.5v Electric motors?? - Page 2

post #11 of 18
I suspect that the current requirements of a WW motor are much more than your 12v PS can provide. You may well brick something doing this.

I suggest connecting a 1.2k and 1k resistor in series across 5v supply. The 1k resistor on the ground side. Get a 2n2222 transistor and connect the collector to 5v. Connect the base to junction of the two resistors. Connect the motor to the emitter and ground.

Sorry for not drawing this...I am on my iPad.
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post #12 of 18
Quote:
Originally Posted by Ionimplant;15529935 
I suspect that the current requirements of a WW motor are much more than your 12v PS can provide. You may well brick something doing this.

Seriously? And then you advise to pull the current through a 2N2222 with a maximum collector current of 800mA? rolleyes.gif You are contradicting yourself.
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post #13 of 18
Sorry random...I dis-advise a WW motor at all. I intended to convey driving the hobby motors with the 2n2222. The hobby motors would do fine.

Looking back at my post I can appreciate your misunderstanding.
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post #14 of 18
Quote:
Originally Posted by Ionimplant;15534961 
Sorry random...I dis-advise a WW motor at all. I intended to convey driving the hobby motors with the 2n2222. The hobby motors would do fine.

Looking back at my post I can appreciate your misunderstanding.

My apologies. Somehow I completely missed matt1898's last post redface.gif

I wouldn't advise running a transistor permanently in it's linear region with a motor due to heat output, although I haven't looked at the sums smile.gif

So...I'm not familiar with wiper motors. What is it's rated current, Matt?
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post #15 of 18
Get a good fan controller and just use one of the channels to power your motor and control w/e fans are in your rig. If its not having to output a ton of torque to turn w/e your moving the amps will be low and not overwhelm the controller.
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post #16 of 18
Thread Starter 
Wow. Good thing I just checked this. Hmmm....I may have to revise it then...
post #17 of 18
Thread Starter 
Quote:
Originally Posted by ARandomOWl;15535047 
My apologies. Somehow I completely missed matt1898's last post redface.gif

I wouldn't advise running a transistor permanently in it's linear region with a motor due to heat output, although I haven't looked at the sums smile.gif

So...I'm not familiar with wiper motors. What is it's rated current, Matt?

From what I've read so far, most if not all wiper motors are rated at 12v.
I've also found several articles where other people have used these motors in Halloween contraptions of all sorts, so I'll dig up what kind of connections they seem to be using and what is recommended.

My electrical knowledge is a bit limited at this point, so I'm trying to research what I can and hopefully determine the best route. As far amps, current and what not for these motors I'm not sure... I'll be back home on sunday and I'll do a bit more reading and see what I can find.
post #18 of 18
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