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Aktīvā svilpe (buzzer)
Aktīvā svilpe
Active buzzer features are:
1 active buzzer with a shock source within, so long as a power will be called
2 program control convenience, a high and low level MCU can let the sound, and passive buzzer can not do.
Description
1. Bring oscillation source
2. S8550 drive;
3. Work Voltage: 3.3-5V
4. Set bolt hole, easy to assemble
5. PCB Dimension: 3.3cm*1.3cm
Pin Definition
1. VCC: 3.3-5V
2. GND: Ground
3. I/O: I/O Interface of SCM
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