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 Robotics / Handy Board / 7712
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Subject: 
Motor Drivers
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Thu, 6 Apr 2000 00:14:10 GMT
Original-From: 
Barrus, Brad <bbarrus@cabletron.{NoSpam}com>
Viewed: 
3146 times
  
I am trying to run a light with the motor outputs on the handy board. I
looked up the spec on the L293D and it claims to be capable of 600mA
constant and 1.2A peak. The miniature light I am using draws about 300mA.
When the light comes on the handy board just dies (looks like too much
current is being drawn). Any one have a similar experience? Know how to fix
it?
Thanks Brad



Message has 2 Replies:
  Re: Motor Drivers
 
300 mA shouldn't be a problem. are your main batteries low? alternately, are you sure it's 300 mA at 9v? can you measure it somehow. fred In your message you said: (...) (25 years ago, 6-Apr-00, to lugnet.robotics.handyboard)
  Re: Motor Drivers
 
(...) As others have said, the system should be able to drive this. However there are some obvious 'thoughts': 1) A light that draws 300mA when running, will _momentarily_ draw a much higher value when the bulb is cold. The actual ratio between the (...) (25 years ago, 6-Apr-00, to lugnet.robotics.handyboard)

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