10Pcs 20mm Piezo Ceramic Disc Elements Sensor Buzzer & Wire
10Pcs 20mm Piezo Ceramic Disc Elements Sensor Buzzer & Wire
10-Pack 20mm Piezo Ceramic Disc Elements with Wire — Versatile Sensor & Buzzer Discs
Get everything you need for your next electronics project with this convenient 10-piece set of 20mm Piezo Ceramic Elements. Each disc features a copper base and pre-attached PVC-insulated wire, making them ready to integrate into buzzers, pressure sensors, drum triggers, DIY speakers, and more. Their wide tonal response makes them ideal for both speech and music applications.
Key Features
- Quantity: 10 piezo ceramic discs per package
- Diameter: 20mm — compact and easy to mount
- Material: Copper base with PVC-insulated lead wires
- Wide Tonal Response: Suitable for a broad range of audio frequencies
- Multi-Purpose: Compatible with buzzer circuits, pressure sensors, drum trigger pads, DIY speaker builds, and electronic hobby projects
- Pre-Wired: Convenient lead wires attached for quick and easy connections
- Made in Mainland China
Applications
- Electronic buzzers and alarms
- Vibration and pressure sensing
- DIY electronic drum trigger pads
- Speech and music reproduction circuits
- Arduino, Raspberry Pi, and other microcontroller projects
- Educational electronics experiments
Specifications
| Diameter | 20mm |
| Material | Copper, PVC |
| Quantity | 10 pieces |
| Wire | Included (PVC insulated) |
| Origin | Mainland China |
Important Notes
- Please allow 0–3mm measurement tolerance due to manual sizing.
- Actual color may vary slightly from product images due to monitor display differences.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What are piezo ceramic disc elements used for in electronics projects?
A: Piezo ceramic disc elements are versatile components used in a wide range of electronics applications, including buzzers, alarms, vibration and pressure sensors, DIY drum trigger pads, and small speaker or audio circuits. Their ability to convert mechanical vibration into electrical signals (and vice versa) makes them a staple in hobbyist and professional electronics projects alike, including Arduino and microcontroller builds.
Q: Are the 20mm piezo discs compatible with Arduino or Raspberry Pi projects?
A: Yes! These 20mm piezo ceramic discs are widely used with Arduino, Raspberry Pi, and other microcontroller platforms. They can be used as simple tone generators, knock/vibration detectors, or trigger sensors. The pre-attached wires make connecting them to a breadboard or circuit straightforward without any additional soldering required on the disc itself.
Q: How many piezo discs come in this package?
A: Each package includes 10 x 20mm piezo ceramic disc elements, each with pre-attached PVC-insulated lead wires, giving you plenty for multiple projects or replacements.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.