Description : 27mm Piezo Buzzer Disc Sensor with Short 2 Wire Cable Knock & Vibration

This 27mm Piezo Element Buzzer with pre-soldered wires is a versatile disc-shaped component used for sound generation, vibration sensing, or knock detection. It acts as both an input sensor (detecting physical impacts or vibrations) and an output buzzer (generating tones/sounds).

Commonly used in electronic drums, alarms, DIY sensors, Arduino projects, and trigger circuits, this copper-based piezo element is lightweight, durable, and easy to integrate into any electronic setup. Just connect it to your microcontroller or amplifier to get started.

Ideal for makers, students, and professionals in robotics, automation, or interactive design.

✅ Specifications:

• Diameter: 27mm
• Material: Copper disc with ceramic piezoelectric element
• Type: Passive piezo buzzer / sensor
• Leads: Pre-attached wire leads for easy connectivity
• Function: Can be used as a speaker or vibration sensor
• Use Cases: Drum trigger, alarm systems, Arduino knock sensor
• Operating Voltage (as buzzer): 1–30V (depends on circuit)
• Mounting: Glue, tape, or casing

✅ Key Features:

• Generates tone or sound when voltage is applied
• Detects vibrations or knocks when used as sensor
• Easy to use with Arduino or Raspberry Pi
• Pre-wired for plug-and-play use
• Ideal for alarms, electronic drums, DIY triggers

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Package Included:

1x 27mm Piezo Buzzer Disc Sensor with Short 2 Wire Cable