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RS232/485 Shield For Arduino
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PJRC (Teensy) Forum
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![start:classes:seniorproject:rs232:troubleshooting:start [Cooper Union Open Source]](http://dap.cooper.edu/lib/exe/fetch.php?w=400&media=start:classes:seniorproject:rs232:troubleshooting:picture_22.png "start:classes:seniorproject:rs232:troubleshooting:start [Cooper Union Open Source]")
start:classes:seniorproject:rs232:troubleshooting:start [Cooper Union Open Source]
Connecting Multiple Sensors to One Arduino Uno Serial Port - Hackster.io
RS232 Shield for Arduino
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Serial Port Mini RS232 to TTL Converter Adaptor Module Board MAX3232 with Arduino | Davy's Blog
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KEYESTUDIO DC 5V RS232 to TTL Conversion Converter Module Shield for Arduino UNO | eBay
RS-232 Module Tutorial for Arduino, Raspberry Pi and Intel Galileo
