LS3040 Passive Piezo Buzzer 30mm 4kHz Sound Alarm Buzzer with Wire
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This buzzer is a passive piezo buzzer, meaning it does not have an internal oscillator. It requires a PWM, square wave, or tone signal to generate sound. It can be used with Arduino, ESP32, STM32, Raspberry Pi, and other controller circuits for alert, warning, and notification applications.
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LS3040 Passive Piezo Buzzer 30mm 4kHz Sound Alarm Buzzer with Wire
Available:In Stock
- Product SKU: BUZZE007
₹ 39
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Specification
Description
LS3040 Passive Piezo Buzzer 30mm 4kHz Sound Alarm Buzzer with Wire
The LS3040 Passive Piezo Buzzer is a compact sound output device designed for alarm circuits, indication systems, DIY electronics, robotics, embedded projects, and microcontroller-based applications. It produces a clear audible sound when driven by a suitable frequency signal from an external circuit.This buzzer is a passive piezo buzzer, meaning it does not have an internal oscillator. It requires a PWM, square wave, or tone signal to generate sound. It can be used with Arduino, ESP32, STM32, Raspberry Pi, and other controller circuits for alert, warning, and notification applications.
Technical Details
- Product Type: Passive Piezo Buzzer
- Model Number: LS3040
- Operating Voltage: DC 1V to 30V
- Rated Current: 2mA Approx.
- Frequency: 4000Hz Approx.
- Sound Output: Up to 80dB Approx.
- Drive Signal Required: PWM / Square Wave / Tone Signal
- Digital Communication: Not Supported
- Wire Connection: Red and Black Wires
- Red Wire: Positive / Signal
- Black Wire: Negative / Ground
Features
- Compact LS3040 piezo buzzer design
- Clear sound output for indication
- Works with PWM or tone signal
- Low current consumption design
- Easy two-wire connection
- Dual mounting holes for installation
- Suitable for Arduino and microcontrollers
- Lightweight black plastic body
- Ideal for alert and alarm circuits
Applications
- Arduino buzzer projects
- Alarm circuits
- Warning indication systems
- Security alert devices
- Timer and reminder circuits
- Robotics sound indication
- DIY electronics projects
- Embedded control systems
- Educational electronics experiments
- Home appliance indication circuits
Physical Attributes
- Body Diameter: 29.3mm Approx.
- Overall Length: 42.5mm Approx.
- Thickness: 5mm Approx.
- Wire Length: 95mm Approx.
- Body Material: Plastic
- Body Color: Black
- Wire Color: Red and Black
- Mounting Type: Screw Mounting Holes
- Weight: 4g
Important Note
- This is a passive buzzer and requires a frequency signal to generate sound.
- It may not produce proper sound by simply applying DC HIGH and LOW.
- For Arduino, use the tone() function or PWM output.
- Follow correct polarity while connecting the red and black wires.
Package Includes
- 1 × LS3040 Passive Piezo Buzzer
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