I know this is a pretty specific question, but I'm hoping someone here has some insight. So I'm working on a program to do serial input/output (on the Rx/Tx lines) of the arduino. Simply, you type "1" into the serial monitor, and it puts out "one", etc. So in testing our programs out in class, we …

Serial write/read (Tx/Rx) problem on Arduino Uno

retrolefty April 29, 2011, 7:29pm 2

Could you post your complete sketch first before we guess at your symptom.

Lefty