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STD KY-038 Microphone sound sensor
KY-038 Microphone sound sensor
License
GPL 3.0
License: GPL 3.0Mode:
Mode
Editors' pickEditors' pick
- 15
Update time：
2023-02-08 17:02:10
Creation time：
2017-02-04 17:20:21
Description
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
Design Drawing
schematic diagram
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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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