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Topic: Mfrc522 RFID help  (Read 759 times) previous topic - next topic

fadman

May 16, 2015, 05:52 pm Last Edit: May 16, 2015, 05:52 pm by fadman
Dear seniors,

I am working on a project rfid (mfrc522) based gate door opener.
It's working 100% correct.
I'm worried for these few questions :

Can mfrc522 is able to work 24x7 everyday whole year.
Will it burn or malfunction as it continously searching for cards while time...

What do you think,  if I push a button and then mfrc522 initialize and start searching of tag card. And after that the mfrc522 disable and stop searching for tag card or stop radiating...

Please help me.

Thank you

Grumpy_Mike

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Can mfrc522 is able to work 24x7 everyday whole year.
Yes.

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Will it burn or malfunction as it continously searching for cards while time...
No.

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What do you think,  if I push a button and then mfrc522 initialize and start searching of tag card. And after that the mfrc522 disable and stop searching for tag card or stop radiating...
I think there is no need to do this.

fadman

Thank you  grumpy_mike...
Well,  it is Chinese made..
Are you sure it won't burn or malfunction as it radiate all the time and search for tag..
???

fadman

Thank you  grumpy_mike...
Well,  it is Chinese made..
Are you sure it won't burn or malfunction as it radiate all the time and search for tag..
???

sonnyyu

Mfrc522 is IC.

IC grade:

  • Commercial: 0°C to 85°C
  • Industrial: −40°C to 100°C
  • Automotive: −40°C to 125°C
  • Extended: −40°C to 125°C
  • Military: −55°C to 125°C


Your Mfrc522 might be only Commercial grade unless you paid premium.

It might failed at 7/24 outdoor  environment.







Grumpy_Mike

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Well,  it is Chinese made..
So are most of the world's semiconductors.

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Are you sure it won't burn or malfunction as it radiate all the time and search for tag..
Yes I am sure.

Grumpy_Mike

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Your Mfrc522 might be only Commercial grade unless you paid premium.

It might failed at 7/24 outdoor  environment.
It might fail if you operate outside it's rated temperature range but it will not burn out.

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