MICROPHONE AMPLIFIER MODULE, 20dB GAIN, 3-5V

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PID# 18771

5,00 CA$
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Description

This module adopts professional microphone amplifier IC, with low output noise, small size, high sensitivity, fixed gain at 20dB, and can support both 3.3v and 5v power supply modes

- Size: Approx. 3.4 * 1.6 * 1cm (L*W*H).

1.VCC external 3.3 V-5V voltage Sound Activated.

2. GND external GND Sound Sensor.

- A fixed bolt hole for easy installation Sound Detection Module.

- Operating voltage 3.3V-5V Sensor Module.

Module connection manual

- Sensitivity adjustable (shown in blue digital potentiometer setting).

- Output of the form of digital switching output (0 and 1 high-low).

1. The sound module is used to detect the of ambient sound.

2. If environmental sound does not reach the set threshold, the module OUT output is high, if the external environmental sound exceeds a set threshold, the module OUT is low.

3. Small on-board digital output OUT can be directly connected to the microcontroller through the microcontroller, to detect , making sound environment detection.

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