A buzzer will produce a single audible tone when a voltage is applied and current passes through it. To play different tones or musical tunes consider using the piezo instead.

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Activate a buzzer

The following program will activate a FET or Darlington transistor connected to output B.1, which in turn will sound the buzzer, for a second every five seconds.

Code Example:
main: 	high B.1 	; Switch on output B.1 
	pause 1000 	; Wait 1 second 
	low B.1 	; Switch off output B.1 
	pause 5000 	; Wait 5 seconds 
	goto main 	; Loop back to start
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Bill of Materials

Buzzer SPE005 1 Buy Now
BCX38C Darlington driver transistor TRT002 1 Buy Now
1k resistor (pack 100) RES1K 1 Buy Now
1N4001 Diode RES041 1 Buy Now


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