(15-03-2017, 21:51)f4aii Wrote: Please, help me.
thanks.
One important thing I noticed looking to your picture... The RX unit will not work properly without an external 9V power supply. Without it, a lot of parts on the circuit aren't powered. An external regulated 9V power supply is not an option, it should be used.
Also the TX unit should also be powered by a 12V power supply.
Regarding you questions, please check the user configurable options for each software, and change them to suite your personal installation. After making the required changes, program de Arduinos again.