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EIA RS-485 is a serial communication standard using differential signaling.

1 vote

Does anyone have any sample code or suggestions to help me to interface my 100 pin uc3a1512t...

Here's someone's tutorial on using them with Arduino: http://pskillenrules.blogspot.com/2009/08/arduino-and-rs485.html …
tybro0103's user avatar
  • 241
2 votes

MAX485 half duplex Atmega communication problem

I'm currently working on a maglock door security system, and am using these same chips to transmit data from the RFID reader to an Arduino about 200ft away. I as well have had all kinds of problems wi …
tybro0103's user avatar
  • 241