Schematic Review: L293D-based motor control

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#1
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Lifted from a SparkFun article. I have this working on a proto board, but wanted to generate the schematic and ultimately a board. Still getting used to Eagle. 

 

  • "Give me six hours to chop down a tree and I will spend the first four sharpening the axe."  -- Abraham Lincoln
  • "All right wise guy, where am I?"   -- Daffy Duck
  • "Well, we're safe for now. Thank goodness we're in a bowling alley."  -- Big Bob, Pleasantville
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Why would you want to use that old, very inefficient technology?

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jremington wrote:
Why would you want to use that old, very inefficient technology?

 

It seemed pretty straight-forward, and I am coming into this cold. Would love to hear alternatives...

  • "Give me six hours to chop down a tree and I will spend the first four sharpening the axe."  -- Abraham Lincoln
  • "All right wise guy, where am I?"   -- Daffy Duck
  • "Well, we're safe for now. Thank goodness we're in a bowling alley."  -- Big Bob, Pleasantville
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Look at the 'motor driver' sections on adafruit, pololu, jameco, dfrobot, seedstudio, and sparkfun. Get an arduino and a shield with a Big Hefty driver chip or two on it.

Imagecraft compiler user

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bobgardner wrote:
Look at the 'motor driver' sections on adafruit, pololu, jameco, dfrobot, seedstudio, and sparkfun. Get an arduino and a shield with a Big Hefty driver chip or two on it.

 

Will do that. For this project I was interested in being as close to 'bare metal' as possible to aid in learning not only AVR stuff, but general electronics. There is another project on the stack that would benefit from the pre-built drivers on the pages you reference.

 

Thanks!

  • "Give me six hours to chop down a tree and I will spend the first four sharpening the axe."  -- Abraham Lincoln
  • "All right wise guy, where am I?"   -- Daffy Duck
  • "Well, we're safe for now. Thank goodness we're in a bowling alley."  -- Big Bob, Pleasantville