I see the Melody tutorial that show how to play a tone of specified frequency through a Piezo, but what about if I need to play dual tones simultaneously.....like DTMF tones. Is that going to be possible with a Piezo? As a newbie there is much I don't understand, but it seems like since the Piezo is…

Can I generate DTMF through a Piezo speaker

system December 2, 2009, 3:28am 4

The latest version of the Tone library supports generating DTMF on board and there is an example sketch showing how:

Wow! And here I was thinking that DTMF required two piezos/speakers ::)..

Topic		Replies	Views
Arduino 8ohm Small Piezo Speaker: Can you play two Tones at once? Like chords? Audio	13	17302	May 6, 2021
Project Help - Multiple Piezo Speakers Project Guidance	3	2324	May 5, 2021
Very simple tone generator Project Guidance	5	1065	May 5, 2021
connecting and playing simultaneously more than one piezo speaker Programming Questions	2	1075	May 5, 2021
Multiple Piezo Output Same Freq. Interfacing	9	3749	May 6, 2021