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Subject: 
Re: Interfacing Sharp's GP2D02 Distance Sensor to the RCX
Newsgroups: 
lugnet.robotics
Date: 
Thu, 11 Jan 2001 22:11:18 GMT
Viewed: 
800 times
  
In lugnet.robotics, John Barnes writes:
Unless I am missing something here, the Sharp range of IR distance sensors
all have power consumptions in the 35mA range, which prohibits their use with
the RCX unless you resort to using external power packs.

somewhere I read that the lego motors have a power consumptions from 100mA
normal up to 450mA stalled. Am I wrong with this ?
BTW why not use an external power pack if necessary ?


How do you propose getting around this problem?

JB

In lugnet.robotics, Ram Meenakshisundaram writes:
Hi,

Here is a link on how to hook up the GP2D02 to the RCX =
http://www.inchlab.com/gp2d02_interface.htm It seems to be overly =
complicated.  Not to put down on Peter's creation as I think it was =
ingenious, but there must be a easier way to do this instead of =
compromising an input & an output port...

Ram

Hi Ram,

I don't know an easier way of using GP2D02 but why don't you use the GP2D12
instead ?
It has an analog output.
You don't have to analyze any serial protocol.

And as the lego light-sensor has a driven light source, it should be
possible to drive this sensor too.

okay, that won't work that easyly.
But if you use a motor port to drive the GP2D12 it may work ?!?
(thanks for your great web site Michael Gasperi !)


you can find a datasheet at :
http://www.sharp.co.jp/ecg/NewProducts/sensor/gp2d12.pdf

Rainer



Message is in Reply To:
  Re: Interfacing Sharp's GP2D02 Distance Sensor to the RCX
 
Unless I am missing something here, the Sharp range of IR distance sensors all have power consumptions in the 35mA range, which prohibits their use with the RCX unless you resort to using external power packs. How do you propose getting around this (...) (24 years ago, 11-Jan-01, to lugnet.robotics)

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