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Author Topic: H-Bridge Motor Controller  (Read 1723 times)
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Hi I need a H-bridge circuit to control a 9v DC motor with Arduino using 2n2222 transistors. Thanks. smiley-cool
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Was there a question to follow that or are you simply stating that you need an h-bridge? If so I would recommend something like l298n motor driver. If you do have a question about an h-bridge circuit than please do ask it.
« Last Edit: November 23, 2012, 05:19:38 am by seanz2003 » Logged

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Hi I need a H-bridge circuit to control a 9v DC motor with Arduino using 2n2222 transistors. Thanks. smiley-cool

Google would be a good start. You might get an H-bridge on ebay for $5 shipped if the motor is small.

http://www.ebay.com/itm/Stepper-Motor-Drive-Controller-Board-Module-L298N-Dual-H-Bridge-DC-For-Arduino-/181029044810?pt=LH_DefaultDomain_0&hash=item2a262c024a

http://www.ebay.com/itm/L9110S-H-bridge-Stepper-Motor-Dual-DC-motor-Driver-Controller-Board-for-Arduino-/181029766482?pt=LH_DefaultDomain_0&hash=item2a26370552

http://www.ebay.com/itm/L9110-Stepper-Motor-Driver-Controller-Board-H-bridge-For-Arduino-/150921109322?pt=LH_DefaultDomain_0&hash=item2323995f4a

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Consider the daffodil. And while you're doing that, I'll be over here, looking through your stuff.   smiley-cool

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I was looking to build one out of transistors. Sorry if I was not clear. smiley-cool
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I was looking to build one out of transistors. Sorry if I was not clear. smiley-cool

Well, save those links as typical DIY h-bridges don't work or cost more in parts and time. Google "h-bridge schematic" for lots of diagrams.
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Actually, for his question, googling "BEAM h-bridge" would be a better alternative; though you're not going to get there with just 2n2222 NPN transistors (you'll need the PNP complement, 2n2907 or similar). Far better, though, would be to use a L293...
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