Speaker Piezo Speaker

Espruino can either output square waves using PWM, or low sample rate can be output using the Waveform class.

To use a speaker with Espruino you'll have to connect it to pins marked with PWM or DAC.

Useful sources of speakers are:

Please bear in mind that Espruino can supply only 20mA at 3.3v on its outputs, so you shouldn't attach a huge speaker to it!


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