27mm Piezoelectric Buzzer Disc – Brass Plate | 1 / 2 / 5 PCS. 📦 1 / 2 / 5 × 27 mm Piezoelectric Buzzer Discs. High-quality 27 mm piezoelectric ceramic discs made with a durable brass base. These buzzers convert electrical signals into sound efficiently, ideal for use in DIY electronics, alarms, sensors, Arduino projects, and other audio alert circuits.
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