Arduino Zero Serial Transmission Problem


hi

i new forums/arduino if have problems creating thread or else let me know.

i trying read in data serially rx port, transmit data using received data. use functions serial.read receiving , serial.write serial transmission. problem having when scoped output tx port, curved waveform.

it looks 1 positive decaying exponential , 1 negative decaying exponential. symmetric across y , x axis'. picture not mine, looks similar this.

i have scoped input, , scoured data sheet , such no avail, appreciated! :)

thanks!

edit:

i prefer stick uart, works better system. have tried powering through dc , usb no avail. using actual arduino 0 not clone or genuino or mo.

thanks again!


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