Some stuff to give away.....

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Hey all,

I am cleaning out jgmDESIGNS and I thought I would post here stuff I would rather give away, rather than send to scrap.

 

For the moment I have the following:

 

100(I think) RFID key fobs and 5 RFID access cards.  These are compatible with the MFRC-522 reader/writer card boards you can find on Ebay and just about everywhere else.  I used the cards so I know they work.  I was not able to use the fobs, but I know there is a chip in them when I hold them up to a strong light.

EDIT: These are 13.56Mhz RFID tags.  They will not work with 125khz readers.

 

 

 

I also have about a dozen of these fans:

https://www.aliexpress.com/item/...

 

I do not have the exact specs on them, but I can say they move a LOT of air.

 

 

I want nothing other than the cost of shipping them to you. 

 

PM me if interested.  I will be posting more kit as I continue cleaning out.

 

JIm

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

Last Edited: Mon. Nov 14, 2016 - 01:13 PM
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What frequency are the RFID stuff? I got one of these readers a long time ago https://www.itead.cc/rdm6300.html because I had to spend around $6 left on a gift card I had but never managed to play with the beast.

John Samperi

Ampertronics Pty. Ltd.

www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly

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John, I would almost bet 125KHz...

 

Jim, I could use a "few" of the fobs. I am designing a auto dog access door for my daughter in law. Will try to PM you tomorrow.

 

rural Ross

Ross McKenzie ValuSoft Melbourne Australia

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The mfrc522 is Mifare, so 13.56MHz

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js and valuesoft,

 

It might cost less to buy from China when you consider the cost of shipping from USA.

 

 

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Woops, shouldn't let the prospect of freebies gloss over the need to read the original post...

 

Ross McKenzie ValuSoft Melbourne Australia

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js wrote:

What frequency are the RFID stuff? I got one of these readers a long time ago https://www.itead.cc/rdm6300.html because I had to spend around $6 left on a gift card I had but never managed to play with the beast.

The cards and fobs will not work with that board

 

valusoft wrote:
Jim, I could use a "few" of the fobs. I am designing a auto dog access door for my daughter in law.

I would not bother Ross.  The fobs do not emit a very strong signal as their range is only a couple centimetres on a good day.  For a doggie door, I would recommend you look for an RFID tag that has an integral battery and transmitter in it that can give a long range transmission.  The receiver is also special built for long range as well.  I used this setup in a vehicle ID/access gate system many years ago.  The tags and reader are not inexpensive.

 

Chuck99 wrote:
js and valuesoft, It might cost less to buy from China when you consider the cost of shipping from USA.

+1000  It cost about $5usd to have the fobs and cards shipped from China with 2 week delivery.  No way I can compete with that.

 

JIm

 

EDIT: Typo

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

Last Edited: Mon. Nov 14, 2016 - 08:23 PM
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Just noticed these Parallel SRAM and EEPROMS sitting in a drawer.  THey are 2kbyte, 8kbyte, and 32kbyte.  THere are more on the other side of the foam.  Say the word and they are yours

 

 

JIm

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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Are the 32KB chips ram, if so how many?

 

Rick

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Yes.  They are SRAM.  There are four of them.

 

Part numbers:

LH52256L-70

LH52250A-70L

CXK58257P-12L

TC55257CPL-10

 

Jim

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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With only four chips, it's hardly worth the effort and postage to send them. Bummer.

 

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Sorry, if I find more I will let you know.

 

Jim

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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Cool programmer sitting next to your calculator 8)

Tom Pappano
Tulsa, Oklahoma

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tpappano wrote:

Cool programmer sitting next to your calculator 8)

Thats an original version 1.  Very reliable and real easy to use too.

 

 

Jim

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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One of Alan K's?

 

Ross McKenzie ValuSoft Melbourne Australia

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You betcha! 8)

 

Tom Pappano
Tulsa, Oklahoma

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"Dare to be naïve." - Buckminster Fuller

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[reminiscing_about_the_good_ole_v1_programmer_days]  Ahhhhh, version 1, it seems so long ago... [/reminiscing_about_the_good_ole_v1_programmer_days]  They couldn't do PDI yet, but they ruled the ISP!

 

http://www.avrfreaks.net/forum/c...

 

PM Sent Jim!

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Box is all packed Alan.

 

Fans and Memory are gone.

 

I will have more stuff

 

Jim

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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Thank you sir!!!  I appreciate it!

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Fans and Memory are gone.

That's what happens when you get old, you lose your fans and your memory goes.

John Samperi

Ampertronics Pty. Ltd.

www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly

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I built a cat door with those kind of 125kHz fobs.  I used an EM4095 chip, a bunch of capacitors, and an ATmega125 to do the Manchester decode.  I got a range of about 4 inches.  My cat had to bump his head against the door to get close enough to read the fob when coming in.  It worked for about 10 years until the cat passed.  Now my cats are indoor only, so I don't use it any more.  I never tried the battery powered fobs.

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a 4 inch read is pretty good.  In my experience only HID mullion readers had the ability to read credentials at that range.

 

Jim

If you want a career with a known path - become an undertaker. Dead people don't sue! - Kartman

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user