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STD KY-038 Microphone sound sensor

License: GPL 3.0

Mode: Editors' pick

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Update time: 2023-02-08 17:02:10
Creation time: 2017-02-04 17:20:21
Description
Sensor for sound detection, the module has two outputs:
AO, analog output, real-time output voltage signal of the microphone
DO, when the sound intensity reaches a certain threshold, the output high and low signal
The threshold-sensitivity can be adjusted via potentiometer on the sensor.
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 LEDCHIPLED_0603 L1,L2 CHIPLED_0603 2
2 Header-Male-2.54_1x4 P1 HDR-4X1/2.54 1
3 ELECTRET Q1 9.7ELECTRET 1
4 10K R1,R4 0603-RES 2
5 100k R2,R6 0603-RES 2
6 150 R3 0603-RES 1
7 1k R5 0603-RES 1
8 100k VR1 TRIMMER_DIPLOHM_P94 1
9 LM393 U1 SO08 1

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