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Hi,
I was wondering if it is possible to use a electromagnetic device with the RCX
and NXT. I tried with this one from a disk drive, and it worked quite well, but
a few seconds after it start, the RCX shows the "low battery" icon. (The
batteries are OK, and when i checked later, it reports normal 8.0 Mv)
1. May I use some kind of resistor in the wires?
2. Why RCX reports low battery? It seems like motors on heavy load...
3. Is possbile to minimiz/avid this? How this impact in the electromagnetic
performance?
4. If i must use a diferent/best electromagnetic device, what kind or
specification i must look for?
Thanks for any help!
This is the electromagentic device plugged in the RCX:
http://tdi-ng.locaweb.com.br/patrick/lego/internals/eletro.jpg
Patrick
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Message has 3 Replies:
 | | Re: Electromagnetic device
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| (...) supply. You might want to measure the coil resistance to see what kind of current it is trying to draw from your RCX. I do notice from your picture that you have a version 1.0 RCX equipped with an AC power input jack. Have you tried running (...) (18 years ago, 15-Jan-07, to lugnet.robotics.nxt, FTX)
| | | Re: Electromagnetic device
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| "Patrick Levy" <patrick@omiccron.com.br> wrote in message news:JBxJ1I.En@lugnet.com... (...) when you use an electromagnet with the RCX. You didn't post the technical specifications of the electromagnet you have wired up to the sensors, did it have (...) (18 years ago, 16-Jan-07, to lugnet.robotics.nxt)
| | | Re: Electromagnetic device
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| Yes, you can use an electromagnet with the RCX. Depends on what you want to do with it, but it should work. The device from a disk drive might be a 12 volt device, or 5. The RCX puts out around 8-9, so either way the device isn't drawing the correct (...) (18 years ago, 16-Jan-07, to lugnet.robotics.nxt)
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