hello everyone, i have a such question: when i am connection my RFID reader to arduino, i am reading this :ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ can anyone tell me why? thx
I'm still pretty new to this, but I'm trying to connect up to 12 MFRC522 RFID readers to my arduino uno. They're the cheap under $5 ones from ebay. I can get one to work using the miguelbalboa/rfid library but I can't seem to get a second one working…
Hello all.
I am doing a project where I have to send an SMS to a given phone number after someone swipes an RFID card on the reader.
Here is the hardware I am using (with Arduino IDE 1.0.5):
Arduino Uno R3 -> http://arduino.cc/en/Main/ArduinoBoardUno
…Hello,
I am using a 125kHz ID-12LA RFID Reader, a breakout board and an Arduino Leonardo.
I soldered the ID-12LA to the breakout board, then I soldered some small wires to pins 1,2,7,9 and 11.
When I place a tag near the reader, nothing pops up (the tag…