arduino text to o-scope decode

[cyberwasp]

Can someone point me to a sketch that I can use to send text to an O-scope. I'd like to test the SDS1202X-E scopes decode function. I ran across a youtube demo awhile ago and now I can't find it.TIA

[Ian.M]

Assuming an ATmega328P based Arduino, any sketch that outputs text to the serial console will do.  e.g. Examples: 04.Communication: ASCIITable

Probe D1 (TX).  Note the output will be a logic level serial signal, which is inverted with respect to a true RS232 serial signal