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 small active buzzer ky 012 diy module
small active buzzer ky 012 diy module
SKU : KY012ABuzz-B20
Stock : 8pcs
Price:PKR 60.00
a. the role of the buzzer: buzzer structure of an integrated electronic transducers, using a dc power supply, are widely used in computers, printers, copiers, alarm, electronic toys, automotive electronics, telephones, timer for sound devices and other electronic products.
two. buzzer category: mainly divided into the piezoelectric buzzer and magnetic buzzer, the two types.
3. circuit graphic symbol of the buzzer: buzzer in the circuit by the letter  h  or  ha  in the old standard  fm ,  lb ,  jd , etc. .
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