Active buzzer module with LED for PixHawk PX4
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 €
MAX4466 microphone module, with amplification, adjustable gain
MAX4466 microphone module, with amplification, adjustable gain, 2.3-5VDC
In Stoc
Electret microphone module with MAX4466 amplifier for audio capture and analysis on Arduino and other boards, operates at 2.4-5V with very good results at 3.3V, has direct analog output to ADC, adjustable gain 25x-125x from potentiometer, provides clean signal with good power supply noise rejection, ideal for FFT, voice effects and audio-reactive projects.
1.72 €
40mm 3W speaker, 4 ohm full range driver
40mm 3W speaker
In Stoc
Compact 40 mm speaker, ideal for portable mini speakers, small stereo systems and DIY projects, offers clear full range playback at 3W power. It has 4 Ohm impedance and 83 dB sensitivity for good volume from compact amplifiers, paper diaphragm for natural sound, PU edge and permanent magnet for stable response and reliability.
1.49 €
Piezo Buzzer SFM-27-W 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.
0.83 €
12V alarm siren 120dB anti-burglar module
Alarm siren 12V, 120dB
In Stoc
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.
3.98 €
Sensitive analog microphone module, Arduino compatible
Microphone module, high sensitivity, analog output
In Stoc
Microphone module with increased sensitivity and analog output, ideal for measuring sound levels in Arduino projects and other development boards. Includes integrated amplifier with adjustable gain for adaptation to different audio sources, provides stable signal for AD conversion, operates at 5V and delivers amplitude around VCC/2.
2.45 €
5V active buzzer module Arduino compatible
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 module 3.3-5V Arduino compatible
Out-of-Stock
Passive Buzzer Mode
Out-of-Stock
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 €
Red LED warning light 12V, strobe
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 €
Electret capsule microphone
Electret microphone capsule
In Stoc
The 2-terminal electret microphone capsule, ideal for Arduino projects and other development boards, converts sound into an electrical signal for audio detection, simple recording or voice commands. It has compact dimensions for easy integration, low power consumption, good sensitivity for general applications and quick connection by soldering or on a breadboard.
0.24 €
Active Buzzer 5V DC
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.
0.76 €
Passive buzzer 5V for Arduino
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, small complete with leads
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 €
Ultra-thin speaker 40mm 8 ohms 0.5W
Ultra slim speaker 40mm 8 ohms 0.5W
In Stoc
Compact solution for DIY audio projects and integration into portable equipment, it offers clear sound for its size, has an ultra-slim 40 mm profile for mounting in tight spaces, 8 ohm impedance for wide compatibility with amplifiers, 0.5 W power for low consumption and stable use, ideal for toys, alarms and small electronic devices.
0.55 €