Hi guys, I'm working on a program to test turnout motors for model railroads. The Arduino controls these motors via relays and receives feedback via photocouplers. I use Serial.print() to keep track of the number of succesful operations. However, This connection is often interrupted and won't star…

Arduino Uno: Problems with Serial.print()

westfw April 14, 2014, 2:53am 12

I wouldn't be surprised if you've found a problem with the serial monitor, rather than a problem with the arduino.
Can you try a different serial program? (putty is popular...)

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Arduino Uno: Problems with Serial.print()

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