Comments on: Arduino and the RFID reader ID-12

By: Carlos

Carlos — Fri, 30 Dec 2011 01:10:54 +0000

hello martin, I´m Carlos again, afer working with pic 18f4550 for 2 moths, I had descovered, 18f4550 works great with RFID-12.

If someone wants the code, coud ask me!

Raikiryrekyem@hotmail.com

PD.Sorry for bad English

By: Martin

Martin — Mon, 25 Jul 2011 08:31:28 +0000

hey carlos, I don’t know anything about 18FXXXX or ATMEL. the code works with arduino mini

By: Carlos

Carlos — Fri, 22 Jul 2011 23:35:57 +0000

hello martin!!, I’m Carlos, i from México, You have got a Interesting blog, i’m working in a prototype with ID-12, i wonder to know if I can work with a Microchip microcontroller board based on the 18FXXXX or ATMEL microcontroller board based on the ATmega168. For the last, could your code works with arduino mini? Sorry for bad English and so much thanks :)

By: Martin

Martin — Wed, 20 Jul 2011 07:32:19 +0000

hey tom, which index do you want to set to 0. I don’t think that there’s any problem in the code

By: Tom

Tom — Sun, 17 Jul 2011 22:40:05 +0000

I may have done too much editing of your original code, but I think that you forget to reset index back to index = 0 when you clear the tagString variable. Fought with this for a while!

By: franklin

franklin — Wed, 19 Jan 2011 12:39:21 +0000

please help. my id20 is dead its outputting no data. please help. no led is glowing. is there any way to find if it is still working?

By: Martin

Martin — Mon, 19 Apr 2010 06:26:55 +0000

there is a function called clearTag, should be obvious that this clears the tag. the resetting is done in line 233-254. What exactly crashes? I don’t think that there’s a problem in with the arduino or the arduino code

By: Michael

Michael — Tue, 13 Apr 2010 15:09:36 +0000

Hey, Thanks for a great tutorial I’ve been making use of this code for my project with the RFID and it’s been great.

I’m having a problem resetting or clearing the reader though and I’m not sure if it’s in code or hardware. The first time I run through my loop it reads the tag and works fine. The second time it either has the old tag or crashes when a new one is detected. What parts of the code clear it?
P.S I also tried putting digital 4 on the arduino (the reset line) low then high, Like this:

digitalWrite(RESET_PIN, LOW);
delay(1000);
digitalWrite(RESET_PIN, HIGH);

but it didn’t change it which means its software?

By: Vittorio

Vittorio — Wed, 17 Mar 2010 08:50:56 +0000

Really great help.
I’m building an object with arduino using your schemas and sketch…
I’ll tell you my progress soon.
It works :-)

By: Martin

Martin — Mon, 08 Feb 2010 13:53:54 +0000

see updates in the post for the duemilanove