Description
The characteristics of the active buzzer is:
- Active buzzer inside with shock source, so as long as the electricity will call
- Program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can’t do.
Module description
- Module driven by S8550 triode
- Working voltage of 3.3 V to 5 V
- Board PCB size: 3.3 cm X 1.3 cm
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