Piezo Element 40mm with Cable – Low-Frequency Knock Sensor
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Microohm | Piezo Element Piezoelectric Sensor Detect Vibration or a Knock 40mm with Cable | 30 EGP40 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 30 EGP
About this product
A 40 mm piezoelectric ceramic disc with a connecting cable, designed for sound and vibration applications with a low-frequency response. It generates a voltage when struck or flexed, suiting knock detection and low-frequency vibration sensing. The cable lets you mount the element remotely from the controller.
Specifications
- Element type
- Piezoelectric ceramic disc
- Diameter
- 40mm
- Cable
- Included
- Frequency response
- Low frequency
- Application
- Sound and vibration applications
Frequently asked questions
What is the price of Piezo Element 40mm with Cable – Low-Frequency Knock Sensor in Egypt?
Piezo Element 40mm with Cable – Low-Frequency Knock Sensor currently costs 30 EGP in Egypt.
Where can I buy Piezo Element 40mm with Cable – Low-Frequency Knock Sensor in Egypt?
Piezo Element 40mm with Cable – Low-Frequency Knock Sensor is available from Microohm. Compare the offers above to find the best price.
What does the low-frequency design mean for my project?
It is tuned more for slower, lower-frequency vibrations and knocks than for high-pitched sound. For detailed frequency response, check the manufacturer's data for the exact part.
How do I connect it to an Arduino?
Connect one lead to an analog input and the other to ground, with a resistor of about 1 MΩ across them. Verify the two conductors with a meter before connecting, since the listing does not specify wire colors.
