I have Arduino duemilanove and it's 4-5 month old, i have problem with serial interfacing, i uploaded simple serial code: void setup(){ Serial.begin(9600); pinMode(13,OUTPUT); } void loop(){ Serial.println("abcdefghijklmnopqrstuvwxyz"); digitalWrite(13,HIGH); delay(500); digitalWrite(…

Serial monitor displaying junk.

system August 10, 2012, 9:55pm 4

Have you changed any of the processor clock speed settings?

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