KY-021 Mini Dry Reed Pipe Sensor Module

Mini dry reed pipe sensor module with a normally open reed switch and 10kΩ resistor, giving a digital output for magnetic proximity sensing.

✓Magnetic reed switch sensor
✓Normally open contacts
✓10kΩ onboard resistor
✓Digital output signal
✓3.3V to 5V operation

●In StockSKU: AS-K969NX1B

💻 Product Overview

The KY-021 Mini Dry Reed Pipe Sensor Module is a small magnetic sensor built around a reed switch and a 10kΩ resistor. It stays open until a magnetic field brings the contacts together, giving a simple digital signal for proximity detection. It is aimed at makers and electronics learners building projects on Arduino, Teensy and similar platforms.

✨ Key Features

Magnetic actuation: The reed switch closes its contacts when a magnetic field is present.
Normally open design: The circuit stays open until a magnet triggers the switch.
Onboard resistor: A 10kΩ resistor is included on the module.
Digital output: The module delivers a digital output signal.
Platform compatibility: Works with Arduino, Teensy and similar electronic platforms.
Proximity sensing: Commonly used in mechanical systems as a proximity sensor.

🇱🇧 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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