--- product_id: 462881942 title: "10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable" brand: "daokai" price: "629239₫" currency: VND in_stock: true reviews_count: 3 category: "Daokai" url: https://www.desertcart.vn/products/462881942-10-pcs-ky-003-hall-effect-magnetic-sensor-module-3144 store_origin: VN region: Vietnam --- # Wide 4.5-24V voltage range Unipolar Hall effect sensor Operates -40°C to 150°C 10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable **Brand:** daokai **Price:** 629239₫ **Availability:** ✅ In Stock ## Summary > 🧲 Magnetize your projects with precision and power! ## Quick Answers - **What is this?** 10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable by daokai - **How much does it cost?** 629239₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/462881942-10-pcs-ky-003-hall-effect-magnetic-sensor-module-3144) ## Best For - daokai enthusiasts ## Why This Product - Trusted daokai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Applications:** Ideal for smart cars, RPM counters, proximity detection, and advanced automation. - • **Plug & Play Convenience:** Includes 30-pin female-to-male cable for effortless integration with Arduino, PIC, AVR. - • **Precision Magnetic Sensing:** High sensitivity with 1μs response time for instant, reliable detection. - • **Robust Voltage Compatibility:** Works seamlessly from 4.5V up to 24V, fitting diverse project needs. - • **Extreme Temperature Resilience:** Operates flawlessly from -40°C to 150°C, built for any environment. ## Overview The KY-003 Hall Effect Magnetic Sensor Module is a compact, high-accuracy unipolar sensor operating between 4.5V and 24V, with a rapid 1μs switching response and a wide temperature tolerance from -40°C to 150°C. Perfectly suited for contactless switching, speed and position sensing, and smart automotive or automation projects, it comes as a 10-pack with a 30-pin cable for easy digital circuit integration. ## Description Porduct parameters： Switch nature: unipolar Rated working voltage: 4.5V~24V Operating temperature range: -40℃~150℃ Rated output current: 25mA, Max: 50mA Switching response time about: 1μs Working frequency: DC~100kHz Features: 1. Small temperature drift at operating point and release point 2. No mechanical contacts 3. No spark 4. The switch signal is stable 5. No momentary tremors 6. High reliability and safety 7. Can be directly connected with digital circuits Product application： 1.Position sensing 2.Speed sensing 3.Acceleration sensing 4.Magnetic switching 5.Proximity sensing Package includes: 10 x KY-003 Hall Effect Magnetic Sensor Module 1 x 30pin Female to Male Cable Review: I've used on an RPM counter and a homing device. Works well. Be careful to look at the data sheet though because it has to be triggered the right way. Review: Bought for future project. Good apparent quality and quantity. ## Features - 🧲[Product description]The Hall switch integrated circuit adopts the principle of Hall effect, Magnetic susceptibility circuits that use semiconductor integration technology to manufacture circuits. - 🧲[Working parameters] Power supply voltage: 4.5 - 24V, Working temperature: -40 - 150℃, Output current: 50mA, Switching nature: unipolar. - 🧲[Product Features] The module is small in size, high in sensitivity, fast in response, good in temperature performance, high in accuracy and high in reliability. - 🧲[Typical application]Contactless switch, Car ignition, Brake circuit, Alarm device, Textile Control System, Position, speed detection and control. - 🧲[Package includes]You will get 10 x KY-003 Hall Effect Magnetic Sensor Module, 1 x 30pin Female to Male Cable. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B2NR5FTV | | Best Sellers Rank | 71,449 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 36 in Hall Effect Sensors | | Brand | DAOKAI | | Circuit Breaker Type | Standard | | Country Of Origin | China | | Current Rating | 50 Milliamps | | Customer Reviews | 4.0 4.0 out of 5 stars (11) | | Included Components | 10 x KY-003 Hall Effect Magnetic Sensor Module, 1 x 30pin Female to Male Cable | | Manufacturer | DAOKAI | | Manufacturer Part Number | WE-DA-083 | | Model Number | WE-DA-083 | | Mounting Type | Plug-In Mount | | Number of Poles | 3 | | Unit Count | 10.0 count | | Voltage | 24 Volts | ## Product Details - **Brand:** DAOKAI - **Circuit breaker type:** Standard - **Current rating:** 50 Milliamps - **Mounting type:** Plug-In Mount - **Number of poles:** 3 ## Images ![10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - Image 1](https://m.media-amazon.com/images/I/71jaMl2kPyL.jpg) ![10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - Image 2](https://m.media-amazon.com/images/I/71+yBpbWDaL.jpg) ![10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - Image 3](https://m.media-amazon.com/images/I/61LWU2pKzWL.jpg) ![10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - Image 4](https://m.media-amazon.com/images/I/61cPrNyNRXL.jpg) ![10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - Image 5](https://m.media-amazon.com/images/I/71v0DlWQ9CL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***S on 17 December 2024* I've used on an RPM counter and a homing device. Works well. Be careful to look at the data sheet though because it has to be triggered the right way. ### ⭐⭐⭐ Review *by A***R on 12 March 2026* Bought for future project. Good apparent quality and quantity. ### ⭐⭐⭐⭐ Review *by A***R on 17 November 2025* Works ## Frequently Bought Together - DAOKAI 10 Pcs KY-003 Hall Effect Magnetic Sensor Module 3144 Hall Effect Sensor DC 5V Unipolar for Arduino PIC AVR Smart Cars with Cable - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - AZDelivery 5 x KY-003 Digital Hall Effect Sensor Transistor compatible with Arduino Including E-Book! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/462881942-10-pcs-ky-003-hall-effect-magnetic-sensor-module-3144](https://www.desertcart.vn/products/462881942-10-pcs-ky-003-hall-effect-magnetic-sensor-module-3144) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-23*