Buzzer Pasiv Modul pentru Arduino
The characteristics of the active buzzer is:
1 active buzzer inside with shock source, so as long as the electricity will call
2 program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can't do.
Each weight is about 6 g
A module description
1 module driven by 9012 triode
2 working voltage of 3.3 V to 5 V
6 sets of fixed bolt hole, convenient installation
7 small board PCB size: 3.3 cm * 1.3 cm
2 module interface specification (3 wire system)
1 VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)
2 GND external GND
3 I/O external microcontroller IO port