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GND= ground
The siren is easy to use in your project and comes in very beautiful and eye catching colors
of Gates: 6
ferment process
Rosin flux core for improved solder flow and clean joints
Buzzer 3 V wristband rfid GND= groundThis is a round buzzer that operates around the audible 2kHz range. You can drive it directly from a 3 V PIC or arduino to generate the tones. Resonant Frequency: 2300 + 300 HZ Rated Voltage: 3 V Rated Current: 25 ma Min Sound output at 10 cm: 90 dB
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