Buzzers and Alarms

Buzzers and Alarms

Siren module, 120dB, 6-15VDC
Siren module, 120dB, 6-15VDC
Last items in stock
Compact siren for alarm and burglary systems, provides a loud sound warning, audible from a distance, operates at 6-15VDC and offers a level of up to 120dB. Model QSI-4840, emits at 2.8 ± 0.5kHz for a clear signal, consumption 750 mA at 12VDC, dimensions 39 x 47 x 23 mm for easy integration.
3.69 €
Active Buzzer Module with LED, for PixHawk PX4, alarm, 3.3V
Active Buzzer Module with LED, for PixHawk PX4, alarm, 3.3V
In Stoc
The alarm module for Pixhawk PX4 with active buzzer and red LED, provides a loud audible warning and visual signal for low battery, failsafe or signal loss, helping to quickly locate the drone after an uncontrolled landing. It is powered by 3.3V, has a manual stop button, is compact and lightweight, and connects easily through the Buzzer and Switch interfaces.
5.83 €
Alarm siren with light and sound, 120dB, 5-12V
Alarm siren with light and sound, 120dB, 5-12V
In Stoc
Siren module for alarms with flashing light and 120 dB acoustic signal, ideal for burglar and automation systems where clear remote warning is required. It operates at 5-12V DC, has fast lighting 150 flashes per minute, resistant ABS housing, compact format for easy installation.
4.60 €
Speaker Buzzer 3-24V, 100dB
Speaker Buzzer 3-24V, 100dB
In Stoc
Piezo buzzer for warnings and signaling in electronic projects and industrial applications, operates on 3-24V DC with strong continuous sound of up to 100dB at 12V, has a compact diameter of 3cm for easy integration, low consumption of approximately 15mA at 12V and a resonant frequency of 2.5kHz for a clear signal, usable between -20 and +45C.
0.78 €
Alarm siren 12V, 120dB
Out-of-Stock
Alarm siren 12V, 120dB
Out-of-Stock
Siren module for burglar alarm systems, provides a loud 120dB sound warning to be heard clearly from a distance. Operates on 12VDC power supply, emits at 3.8 kHz for a penetrating sound, has a transmission speed of 3 Hz for a distinct signal. Compact format, diameter 54 mm and height 48 mm, easy to integrate into security projects.
3.74 €
Buzzer mode active
Buzzer mode active
In Stoc
Ideal for alarms, sound notifications and DIY projects, this active buzzer provides continuous sound when powered, easily integrates with Arduino and other development boards, operates at 5V, can be controlled directly from a digital pin, LOW level activation for simple and fast control.
0.72 €
Passive Buzzer Mode
Passive Buzzer Mode
In Stoc
Passive buzzer ideal for sound signaling controlled by microcontrollers, works with a 2k-5k rectangular signal and allows the playback of various tones or melodies through the Arduino tone function, is powered by 3.3-5VDC and has compact dimensions of 33 x 13 mm for easy integration into electronic projects.
1.00 €
Active buzzer 5v
Active buzzer 5v
In Stoc
Active buzzer for fast acoustic signaling in electronic projects, emits sound immediately upon application of DC voltage, operates at 5VDC, does not require a PWM signal or complex driver, easily integrates into assemblies with microcontrollers and 5V sources, ideal for alarms, confirmations and sound notifications.
0.22 €
Passive buzzer 5v
Passive buzzer 5v
In Stoc
Ideal for sound signaling in Arduino, automation and electronics projects, this passive 5V buzzer allows the generation of various tones via PWM. It operates at low voltage, offers fast response and clear sound, has compact dimensions for easy integration on boards and is simply mounted via pins on a breadboard or PCB.
0.29 €
Active piezoelectric buzzer 3-24V HND-2312
Active piezoelectric buzzer 3-24V HND-2312
In Stoc
Active piezoelectric buzzer for sound signaling in electronic and automation projects, operates directly at 3-24V without an external circuit, offers clear and stable sound, low consumption for power supply from batteries or industrial sources, compact format easy to integrate on panels and housings, ideal for alarms, status confirmations and simple warnings.
1.68 €
LED warning light, red, 12V
LED warning light, red, 12V
In Stoc
Red LED strobe light for clear visual signaling of moving or working equipment, 12VDC power supply, flashing mode for increased visibility, compact body 73 x 43.5 mm without base. Quick to mount with included kit, screws and two bases, one with self-adhesive pad and one for screw fixing.
5.59 €