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I have been trying to build a simple wireless setup using the parts enumerated in this post, except I am using a 16f88 pic. Like the poster in the forum I am able to send things from the PIC to the arduino, but unfortunately like the poster I am unable to receive signals from the arduino to the PIC. I have tried what he has done and I have made modifications as well, but I am still incapable of sending and receiving correctly. Right now my goal is to make a LED blink when the PIC gets a 1 from the arduino. I am relatively confident in how it is wired, but how would I make it so I can get good data?

EDIT: When running a program on the arduino to send a 1 every two seconds and a program on the pic to blink when there is a 1, it will flash sporadically and not follow any order. My guess is noise, but I doubt it considering how well the PIC to arduino program worked.

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a sandwhich
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  • Do you get any data at all? If it's somewhat working but unreliable maybe some of the things I suggested here http://electronics.stackexchange.com/questions/57547/picaxe-and-rfa001/57554#57554 are worth a try. – PeterJ Feb 11 '13 at 01:12
  • Do you have access to a scope? Probing on the TX/RX lines will help you see what the lines look like and how noisy they are. Also, double check that your baud rates are the same. – stanri Feb 11 '13 at 03:13
  • I do not have access to one. Baud rates are the same, both at 2400. – a sandwhich Feb 11 '13 at 03:29
  • is it possible that your input pin is in analog mode? or used by another internal device, have you tried a different pin/port? – Grady Player Feb 12 '13 at 21:28
  • I have been using the Rx pin, which should be configured as a digital input pin. I will verify this in a few hours. Is it possible to receive such serial information over a different pin? – a sandwhich Feb 12 '13 at 22:50

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