Basic Stamp to Basic Stamp Communication

Javed

Hi,

I am using serin and serout to communicate from one BS2p24 to anther BS2p24. I am not able to get the communication to work on the receiving BS2p24. The debug is stuck in an infinite loop for the receiving BS2p24, however, when I disconnect the input pin on the receiving BS2p24, the debug terminal is stable again on the receiving BS2p24. I suspect there is an issue with the serin ad serout commands.

Could you provide some guidance for solving this issue?

Thank you for your time and patience.

Bests,

Javed

Moskog

Javed, a good idea is to post your pbasic code and the chematics of your hardware setup. This will make it much easier for the forum members to be able to help you solve the problem.

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KjellO

Javed

Hi KjellO,

I just want to know if two basic stamps can talk to each other using serin and serout operation.

Thanks,

Javed

Humanoido

Javed said...
I just want to know if two basic stamps can talk to each other using serin and serout operation.

Yes.

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humanoido
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Javed

Hi Humanoido,

Thank for the reply. Is there example code available that I could use and test?

Thanks,

Javed

Mike Green

There is a Stamp network example ... in two Nuts and Volts Columns (#55 and #56). Click on the Resources tab on the main Parallax webpage and you'll see a link to the Nuts and Volts index.

This is not exactly what you're looking for, but is very similar.

Javed

Hi Mike,

Thanks for the awesome link. Do you think those designs are specific to the BS2-SX?

Thanks,

Javed

Mike Green

If you read the articles carefully, you'll see that the network scheme was intended as part of a larger application. At the time, the BS2sx was the fastest Stamp model and the one with the most available program memory. Without the constraints of the overall application, a BS2 should work as long as any timing constants are adjusted for the Stamp model used. These days, I'd choose a BS2p or BS2px for the same reasons.

Kevin Cook

Hi Javed,

You can also have a look at the "Basic Stamp Manual" on page 425 under "Using Open Baudmodes for Networking BASIC Stamps". There are also a couple of schematics showing how to connect the stamps.

This may help guide you to do what you want.

-Kevin

Humanoido

Javed, if you look at the links in my signature in the first post, many of those projects have multiple stamps connected together and a connection diagram is provided for each. Minuscule is two stamps. TriCore is three stamps. There's even some software provided that can be modified for your applications.

If the new forum still has problems with the links, you can get the full projects from the PRS web site found here:

http://www.p-robot.com/

Humanoido