The only other standard on/off device is the Buzzer and it goes on and off in the sense that it is driven by a single GPIO line, just like an LED, and makes a sound when the line is high and is silent ...
The only other standard on/off device is the Buzzer and it goes on and off in the sense that it is driven by a single GPIO line, just like an LED, and makes a sound when the line is high and is silent ...
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