Sound Sensor Module with LM393 Comparator (3.3-5.3V)
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Future Electronics | Sound Sensor Module | 45 EGP | View in store |
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Lowest price recorded: 45 EGP
About this product
A sound detection module built around an LM393 comparator and a capacitive microphone. A potentiometer sets the sensitivity threshold, and the OUT pin changes state when the sound level exceeds it. Suited to clap switches, noise alarms and simple sound-activated projects.
Specifications
- Supply voltage
- 3.3V - 5.3V
- Comparator IC
- LM393
- Microphone type
- Capacitive
- Output
- OUT: 5V when quiet, 2.5V when sound detected (as listed)
- Sensitivity
- Adjustable by potentiometer
- Size
- 39 x 17 x 10 mm
Frequently asked questions
What is the price of Sound Sensor Module with LM393 Comparator (3.3-5.3V) in Egypt?
Sound Sensor Module with LM393 Comparator (3.3-5.3V) currently costs 45 EGP in Egypt.
Where can I buy Sound Sensor Module with LM393 Comparator (3.3-5.3V) in Egypt?
Sound Sensor Module with LM393 Comparator (3.3-5.3V) is available from Future Electronics. Compare the offers above to find the best price.
How do I adjust the sensitivity?
Turn the onboard potentiometer to set the threshold. The OUT pin changes state only when the sound level passes the threshold you set.
Can I connect OUT directly to a 3.3V microcontroller?
The listing describes OUT at 5V when quiet and 2.5V when sound is detected, which may be above 3.3V. Measure the output level with a multimeter before connecting to a 3.3V board, and use a level shifter or divider if needed.
