Sound Sensor Module KY-038

Sound detection module with microphone, LM393 comparator and onboard potentiometer for adjustable sound threshold. Runs on 3.3V to 5V DC.

✓Microphone sound detection
✓LM393 comparator onboard
✓Adjustable threshold potentiometer
✓3.3V to 5V DC operation
✓Compact 3.4cm by 1.6cm board

●In StockSKU: AS-HK4VMW9T

💻 Product Overview

This is a sound detection module built around a microphone and an LM393 comparator. It reads sound intensity and lets you set the trigger level with the onboard potentiometer, which makes it useful for sound-activated projects and simple audio sensing in circuits.

✨ Key Features

Microphone input: Captures sound through an onboard microphone for level detection.
LM393 comparator: Converts the detected sound level into a switching signal.
Adjustable setpoint: An onboard potentiometer sets the sound level threshold.
Wide supply range: Runs from 3.3V to 5V DC.
Compact board: The PCB measures 3.4cm by 1.6cm.

🇱🇧 Why Buy from Technodel?

🚚 Delivery Across Lebanon — 1-3 business days to all regions
🛡️ Warranty — as stated on this product page, plus 30-day returns with a full refund
💬 WhatsApp Support — ask us anything before or after you order
💵 Cash on Delivery — pay when the order reaches you

🛒 Frequently Bought Together

🎯

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❓ Common Questions

Real questions customers ask about this product — delivery, warranty, payments & compatibility.

Is this product available in Lebanon?▾

Yes — it is available at Technodel with delivery across all of Lebanon: same-day to Beirut, Sour, Tripoli and surroundings, and 1–2 days to every other region.

Where does Technodel source this product?▾

Technodel sources from established suppliers in Lebanon. The product page states its condition and its warranty, and compatible parts are labelled as compatible.

What warranty comes with this product?▾

Warranty terms are stated on each product page. Where a manufacturer warranty applies, warranty support is handled through Technodel.

How can I pay for this product?▾

Technodel accepts cash on delivery, Wish Money transfer, and cryptocurrency (USDT, BTC, ETH). Delivery is a flat $4 anywhere in Lebanon, free on orders of $500 or more.

What are the main specifications of this product?▾

The specifications table on this page lists the key details (model, capacity/speed, dimensions, connectivity and more). If you need a detail not listed, message us on WhatsApp and we'll confirm it for you.

Is this product suitable for my setup?▾

If you're unsure whether this fits your laptop, PC, console or network, send us a message with your setup and we'll confirm compatibility before you order.

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