I have a problem.I want to use Arduino to commuicate with a device by RS232.
the device RS232 setting: Baud Rate:9600, Data bit:7, Parity bit:even, Stop bit:1
my program is below
I download this program to my arduino and it finished.
I open the terminal to check my test.
It don’t show the asd, it show garbled message.
Anyone know this problem,help me to solve it.