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Active Buzzer High Level Trigger Alarm Module


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₹ 103.50

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More info


  • Module using S8550 transistor drive
  • Operating voltage 3.3V-5V
  • With a fixed bolt hole, easy to install
  • Small board PCB size: 3.2cm * 1.3cm approx
  • When the I/O port input low, the buzzer Sound

Pins Description 3-Wire:

  • VCC External 3.3V-5V voltage (can be directly connected with the 5V microcontroller and 3.3V microcontroller)
  • GND External GND
  • I/O external microcontroller IO port

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