The tone function generates a square wave of the specified frequency on a pin during the time ... The Arduino command “tone” takes two ... “tones[0]” is 261, “tones[3]” is 311, etc. If we put the code ...

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finall… ...

Back in the early days of the musical synthesizer, some designers who wished for polyphony in their instruments would simply build multiple tone-generators for as many notes as they wished to play.… ...