🎙️ Mini Electret Microphone – 2-Pin 🎙️
This compact electret microphone is designed to capture sound and convert it into a low-level analog signal for further amplification and processing. It features a small metal housing with two pins for easy PCB mounting and is ideal for audio projects, sound detection systems, and basic recording setups. Requires an external amplifier for proper operation.
- ✅ Specifications:
- Type: Electret Condenser Microphone
- Pins: 2
- Operating Voltage: 2V – 10V DC
- Typical Current: 0.5mA – 1mA
- Frequency Response: 20Hz – 20kHz
- Sensitivity: -44dB ±3dB
- Dimensions: ~9.7mm diameter, ~6.7mm height
- Output: Weak analog signal
🔹 Key Features:
✔ Compact size and easy to mount
✔ Wide audio frequency sensitivity
✔ Compatible with Arduino and audio amplifiers
✔ Affordable and effective for voice/audio input
✔ Perfect for hobby, education, and sound-triggered projects
📌 Common Applications:
- Voice recognition systems
- Basic sound recording modules
- Sound sensors for alarms and triggers
- Clap-switch circuits
- Mini audio pickup devices
🔹 Approximate Weight: 1g
