مواعيد العمل في رمضان
توقيت رمضان: ١ رمضان – ٣٠ رمضان ١٤٤٧هـ
بداية رمضان (حسب الرؤية - مصر): الخميس 19/2/2026
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التوقيت: القاهرة (Africa/Cairo)
Piezoelectric Buzzer Alarm – 3V to 24V DC, 95dB Loudness
This active buzzer alarm is a compact and loud piezoelectric sound module that operates over a wide voltage range of 3V to 24V DC, producing a 95dB sound output. It is ideal for use in alarms, notifications, security systems, and electronic circuits where audible feedback is needed.
With built-in oscillation circuitry, this self-driving buzzer produces sound when powered — no external signal is required. Its two-wire connection makes integration with microcontrollers, sensors, and power circuits simple and efficient.
Key Features
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Operating voltage: 3V to 24V DC
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Loud output: up to 95dB @ 12V
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Active buzzer – generates tone without external driver
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Compact, lightweight, and durable
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Easy 2-pin connection (red = +, black = –)
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Ideal for Arduino, Raspberry Pi, alarms, timers, fault indicators
Specifications
| Parameter | Value |
|---|---|
| Voltage Range | 3V – 24V DC |
| Sound Output | ~95dB @ 12V |
| Current Consumption | ~15–30mA (typical) |
| Frequency | ~2.3 kHz (fixed tone) |
| Buzzer Type | Active (self-driving) |
| Operating Temp. | -20°C to +60°C |
| Body Diameter | ~23mm |
| Mounting | Panel-mount or glue |
| Wire Length | ~10–15cm (typical) |
Package Includes
1 × Active Piezo Buzzer Alarm (3V–24V, 95dB)
