الوصف
With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module amplifies sounds with a low volume more, and sounds with a higher volume less.
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Specifications:
- Supply voltage: 2.4-5.5V DC
- Output voltage: ~0-2.45V (1.25V average)
- Frequency range: 20-20,000Hz
- Adjustable maximum gain:
- 60dB (Gain pin floating)
- 50dB (Gain pin connected to GND)
- 40db (Gain pin connected to Vdd)
- Adjustable attack/release ratio:
1: 4000 (AR pin floating)
1: 2000 (AR pin connected to Vdd)
1: 500 (AR pin connected to GND)
- Two 2mm holes for mounting
- PCB dimensions: 25.4 x 14.1mm
- Pinout:
- Vdd: Supply voltage
- GND: Ground/min
- Gain: Pin to set the maximum gain (see above)
- Out: Output of the module
- AR: Pin to set the attack/release ratio