Difference between revisions of "Cheap ULN2803A Motor Driver"

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(Created page with "If the DC motor you need to control requires 500ma or less, here's a cheap way to drive it. A typical, small hobby motor that needs 3.3vdc, 5vdc or even 12vdc is an example. T...")
 
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If the DC motor you need to control requires 500ma or less, here's a cheap way to drive it. A typical, small hobby motor that needs 3.3vdc, 5vdc or even 12vdc is an example. To start, here's a little roadmap of connections to the ULN2803A:
 
If the DC motor you need to control requires 500ma or less, here's a cheap way to drive it. A typical, small hobby motor that needs 3.3vdc, 5vdc or even 12vdc is an example. To start, here's a little roadmap of connections to the ULN2803A:
  
[[File:Cheap motor driver.png | 300px|center]]
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[[File:Cheap motor driver.png | 400px|center]]
  
 
And here's how you'd connect your controller to it:
 
And here's how you'd connect your controller to it:
  
[[File:Cheap motor driver example.png | 350px|center]]
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[[File:Cheap motor driver example.png | 500px|center]]

Revision as of 12:13, 17 August 2017

If the DC motor you need to control requires 500ma or less, here's a cheap way to drive it. A typical, small hobby motor that needs 3.3vdc, 5vdc or even 12vdc is an example. To start, here's a little roadmap of connections to the ULN2803A:

Cheap motor driver.png

And here's how you'd connect your controller to it:

Cheap motor driver example.png