RFID Chip MFRC522 driver

Fork of MFRC522 by Martin Olejar

Revision:
2:7d80320beb72
Parent:
1:63d729186747
--- a/MFRC522.cpp	Mon Jan 06 15:00:15 2014 +0000
+++ b/MFRC522.cpp	Fri Dec 22 09:16:37 2017 +0000
@@ -55,7 +55,7 @@
 {
   /* Configure SPI bus */
   m_SPI.format(8, 0);
-  m_SPI.frequency(8000000);
+  m_SPI.frequency(5000000);
 
   /* Release SPI-CS pin */
   m_CS       = 1;