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Active Buzzer Drive Module for Smart Car
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Price: US$0.79   Submit a wholesale Inquiry
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Description
1 used for 9012 transistor drive
2 working voltage: 3.3V-5V.
3 provided with fixing bolt holes, convenient installation
4 PCB size: 2.8 * 1.3 cm

Interface specification (3 wire)
1 + external connect 3.3V-5V voltage (which can be connected directly to the 5V MCU and 3.3V chip)
2 - external connect GND3 out external microcontroller IO port

Shipping list
1* active buzzer module 
3* 20cm DuPont line 

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