Hello, I am trying to transmit information from my Arduino UNO to a stepper motor control box via TTL to RS232 conversion adapter. I have successfully communicated from my Arduino to HyperTerminal on my PC.. I have been able to send the string needed by the control box to my PC and the string displ…

Arduino TTL to RS232 Communication (interfaced w/ stepper control box)

system October 20, 2012, 1:34am 6

Have you got the serial wires connected up right, and how do you know?

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