libs/RFID.MFRC522
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

correct mistake at README

Browse Source
This commit is contained in:
Rotzbua
2015-05-19 17:53:45 +02:00
parent c460250b74
commit 27211e0f23
1 changed files with 39 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
README.rst
View File

@@ -97,38 +97,38 @@ Troubleshooting
* **I don't get input from reader** or **WARNING: Communication failure, is the MFRC522 properly connected?** * **I don't get input from reader** or **WARNING: Communication failure, is the MFRC522 properly connected?**
1. Check your connection, see `Pin Layout`_ . #. Check your connection, see `Pin Layout`_ .
2. Check voltage. Most breakouts work with 3.3V. #. Check voltage. Most breakouts work with 3.3V.
3. The SPI only works with 3.3V, most breakouts seems 5V tollerant, but try a level shifter. #. The SPI only works with 3.3V, most breakouts seems 5V tollerant, but try a level shifter.
* **Sometimes I get timeouts** or **tag/card sometimes not work.** * **Sometimes I get timeouts** or **tag/card sometimes not work.**
1. Try other site of the antenna. #. Try other site of the antenna.
2. Try to decrease distance between MFRC522. #. Try to decrease distance between MFRC522.
3. Increase antenna gain per firmware: ``mfrc522.PCD_SetAntennaGain(mfrc522.RxGain_max);`` #. Increase antenna gain per firmware: ``mfrc522.PCD_SetAntennaGain(mfrc522.RxGain_max);``
4. Use better power supply. #. Use better power supply.
5. Hardware corrupted, most products are from china and sometimes the quality is really low. Contact your seller. #. Hardware corrupted, most products are from china and sometimes the quality is really low. Contact your seller.
* **My tag/card doesn't work.** * **My tag/card doesn't work.**
1. Distance between antenna and token too huge (>1cm). #. Distance between antenna and token too huge (>1cm).
2. You got wrong PICC. Is it really 13.56MGhz? Is it really a Mifare Type A? #. You got wrong PICC. Is it really 13.56MGhz? Is it really a Mifare Type A?
3. NFC tokens are not supported. Some may work. #. NFC tokens are not supported. Some may work.
4. Animal marker are not supported. They use other frequency. #. Animal marker are not supported. They use other frequency.
5. Hardware corrupted, most products are from china and sometimes the quality is really low. Contact your seller. #. Hardware corrupted, most products are from china and sometimes the quality is really low. Contact your seller.
* **My mobile phone doesn't recognize the MFRC522** or **my MFRC522 can't read data from other MFRC522** * **My mobile phone doesn't recognize the MFRC522** or **my MFRC522 can't read data from other MFRC522**
1. Card simmulation is not supported. #. Card simmulation is not supported.
2. Communication with mobile phones is not supported. #. Communication with mobile phones is not supported.
3. Peer to peer communication is not supported. #. Peer to peer communication is not supported.
* **I need more features.** * **I need more features.**
1. If software: code it and make a pull request. #. If software: code it and make a pull request.
2. If hardware: buy a more expensive like PN532 (supports NFC and many more, but costs about $15) #. If hardware: buy a more expensive like PN532 (supports NFC and many more, but costs about $15)
License License