KY-038 Sound Sensor Module
$1.501pcs
The KY-038 is a simple sound sensor module that detects ambient noise levels and provides both analog and digital outputs for easy integration with microcontroller projects.
| Dimensions | 35 × 15 mm |
|---|---|
| Brand |
easyelecmodule |
5254 in stock
| Parameter | Details |
|---|---|
| Operating Voltage | 3.3V–5V or 4V–6V (slight variations in different data sources) |
| Input Voltage Range | 3V–24V |
| Chip | LM393 |
| Microphone Type | Electret Condenser Microphone (ECM) |
| Sensitivity | −46±2dB (0dB = 1V/Pa at 1kHz), sensitivity threshold adjustable via potentiometer |
| Minimum Detectable Noise | 58dB |
| Frequency Range | 100–10000Hz |
| Output Signal |
Analog output AO: real-time microphone voltage signal output; Digital output DO: high/low level signal output (0 or 1), digital output state determined by adjustable threshold via potentiometer |
| Maximum Sensing Distance | 0.5 meters |
| Indicator Lights | Power indicator and sensor status indicator. The power indicator remains ON when powered; the sensor status indicator lights up when sound reaches the set threshold. |
| Dimensions | 35 × 15 × 13 mm |
| Weight | Approximately 3g |
Shipping Cost
We only ship to the United States. Shipping costs are calculated based on the total order amount.
Shipping Method And Delivery Time
All orders will be processed and shipped within 72 hours of placing the order (excluding weekends and holidays). They will ship from Shenzhen, China, primarily via 4PX logistics. Depending on the destination and logistics conditions, other carriers such as DHL, FedEx, UPS, USPS, etc., may also handle the delivery. Estimated shipping time is 7-12 business days, with actual delivery occurring in 10-17 business days, depending on logistics conditions.
Payment:
We accept Visa, Master card, Maestro, American Express, JCB, Dinner's Club, Discover, Paypal, Apple Pay, Google Pay .
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