i just received a rfid reader with some tags, but i have a communication problem with arduino.. i load the code below but in the serial monitor i can t see anything when i scan a tag. rfid reader seems work correctly, when i scan a tag, the on the reader is on, but in serial monitor nothing appened …

rfid problem

system August 27, 2012, 8:04pm 4

i just checked rx and tx with a multimeter, and they have both 4.8v

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