Product Description:
| Specifications |
|
|
| Function |
|
High sensitivity microphone |
| Model |
|
KY-037 |
| Supply voltage |
|
5V |
| AO |
|
Microphone analog output |
| DO |
|
Level threshold output (0 or 1) |
| Power indicator |
|
LED |
| DO output indicator |
|
LED |
| DO level set |
|
Multi-turn preset |
| Comparator |
|
LM393 |
| Sensor |
|
Electret Condenser Microphone |
| Connections |
|
|
| Pin 1 (AO) |
|
Analog Output |
| Pin 2 (GND) |
|
Supply Ground |
| Pin 3 (+) |
|
+5 VDC |
| Pin 4 (DO) |
|
Digital Output |
| Dimensions |
|
35 x 15 x 14mm |
| Mounting hole size |
|
3 mm |
Adjustment:-
Turn potentiometer counter-clockwise until LED2 turns off. This is the sound threshold. Then adjust to the appropriate threshold for your application.
