PR 25 helped needed

LED Blinking, Walking with Cytron Servo, Displaying RFID, Multi-function Mobile Robot......

PR 25 helped needed

Postby superflyuser » Sun Jul 29, 2012 6:08 am

Hi. I have assemble the components in PR 25. But unfortunately i`m experiencing some problem. When i switch on it displays "user not found" wheres in the detail description it says it supposed to display "place your tag". Some times it displays "Place your tag" but after few seconds it shows " user not found" again. I would be glad if someone can help me resolve this problem. Thanks in advance.
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Re: PR 25 helped needed

Postby yonghui » Mon Jul 30, 2012 9:35 am

never try PR25.
try to check the connection of the wires?
thanks&regards,
yh
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Re: PR 25 helped needed

Postby superflyuser » Mon Jul 30, 2012 10:03 am

i have checked the connections. I am pretty sure its according to the schematic diagram. Can faulty of component cause this? I tried replacing the IC and even the crystal. Still no difference. But when I tilt the breadboard it displays "place your tag" for sometime and resumes back to "User not identified".
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Re: PR 25 helped needed

Postby robosang » Mon Jul 30, 2012 8:33 pm

Never tried that DIY before, but looking at the short description. It is about RFID reader.

Again, I would request to show us a photo of the hardware, the clearer the better 8-)
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Re: PR 25 helped needed

Postby superflyuser » Tue Jul 31, 2012 2:13 pm

fyp.jpg
the hardware picture


this is the pic of my hardware
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Re: PR 25 helped needed

Postby robosang » Tue Jul 31, 2012 3:59 pm

OK, if you are doing project on breadboard, there are too many unstable connection.

You will need to check the connection and based on your description, you should focus on RFID connection. I don see any RFID connection too.
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Re: PR 25 helped needed

Postby superflyuser » Thu Oct 04, 2012 11:16 am

i tried troubleshooting the PR 25 project but it still cant work. i took PR 8 project,modified the code and added the magnet. it works now :D
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