Kunkune

KY-012 Active Buzzer 3pin Alarm Module 3V 5V Dupont

KY-012 Active Buzzer

KY-012 Active Buzzer 3pin Alarm Module 3V 5V Dupont - Main image
$1 $1.49 In stock

Category: Accessories

The KY-012 active buzzer is a compact 3‑pin alarm module designed for use in electronic projects and alert systems. It works with both 3 V and 5 V supply levels, making it versatile for a range of microcontroller boards.

  • Operating voltage range: 3.5 V – 5.5 V (compatible with 3 V and 5 V systems).
  • Low power consumption, drawing less than 25 mA during use.
  • Three‑pin Dupont header enables quick and secure wiring.
  • Provides clear audible alerts for alarms, timers, and user feedback.
  • Brand‑new, high‑quality construction for reliable performance.
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Eli ★★★★★

Plugged this into a breadboard with a 5V supply and the tone was loud and clear immediately, no extra parts needed. The 3-pin Dupont layout also made it dead simple to daisy-chain into my alarm circuit. Exactly what I needed for a quick prototype.

Michael E. ★★★★★

Being able to feed it 3V or 5V meant I didn't have to rewire my breadboard when switching between two Arduino clones, and it's loud enough to hear across the room for a small alarm. The 3-pin Dupont header makes it plug-and-play, which saved me a ton of soldering time.

Eva O. ★★★★★

Swapped this into a 5V circuit and it’s plenty loud for a project alarm, no extra driver needed since the module handles it. The 3-pin header made wiring a breeze with dupont cables—exactly what I needed for a quick breadboard test.

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