--- product_id: 447111170 title: "5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Wire" brand: "daokai" price: "R366" currency: ZAR in_stock: true url: https://www.desertcart.co.za/products/447111170-5pcs-ir-infrared-slotted-optical-optocoupler-speed-measuring-sensor-module store_origin: ZA region: South Africa --- # 3.3-5V wide voltage range Infrared slotted optical tech for interference-free sensing Digital switch output for precise speed detection 5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Wire **Brand:** daokai **Price:** R366 **Availability:** ✅ In Stock ## Summary > 🚀 Unlock precision speed sensing and elevate your robotics game! ## Quick Answers - **What is this?** 5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Wire by daokai - **How much does it cost?** R366 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/447111170-5pcs-ir-infrared-slotted-optical-optocoupler-speed-measuring-sensor-module) ## 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 - • **Complete Sensor Kit:** Includes 5 sensors, 5 encoders, and versatile 15-pin female-to-male and female-to-female wires for immediate deployment. - • **Precision Speed Sensing:** Infrared slotted optical design ensures accurate motor speed and pulse counting without stray light interference. - • **Robust Signal Stability:** Built-in Schmitt trigger delivers stable waveforms and reliable digital output for consistent performance. - • **Plug & Play Compatibility:** Works seamlessly with Arduino and smart robot cars, perfect for prototyping and advanced robotics projects. - • **Energy Efficient Operation:** Operates on a low voltage range (3.3-5V), ideal for battery-powered and embedded systems. ## Overview The DAOKAI5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module is a 3.3-5V digital output sensor kit designed for accurate motor speed detection and pulse counting. Featuring infrared technology with Schmitt trigger stabilization, it eliminates external light interference for reliable signals. The package includes 5 sensors, 5 encoders, and 15-pin wiring, making it perfect for Arduino and smart robot car applications. ## Description 5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Wire ## Features - Module: Speed Measuring Sensor Infrared detection, eliminating the interferences of external stray light, Schmitt trigger, stable wave form and signals - Parameters: Operating Voltage: 3.3V to 5V, Output form: digital switch OUT output (0 and 1) - LED: Signal output indicator (while breaking the beam, outputs low level, the indicator lights up) - Application: Speed measuring sensor IR infrared slotted optical optocoupler module widely used in motor speed detection, pulse counting, position limit, etc - Package included: You will get 5 x Speed Measuring Sensor, 5 xEncoders, 1 x 15pin Female to Male Wire, 1 x 15Pin Female to Female Wire ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | DAOKAI | | Part number | WE-DA-026 | | Item Weight | 30 g | | Package Dimensions | 15.7 x 6.4 x 1.8 cm; 30 g | | Item model number | WE-DA-026 | | Colour | Speed Measuring Sensor Module | | Voltage | 3.3 Volts | | Plug profile | Surface Mount | | Included components | 5xSpeed Measuring Sensor,5 Encoders,15pin Wire | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Brand:** DAOKAI - **Circuit breaker type:** Standard - **Mounting type:** Surface Mount - **Number of poles:** 15 - **Manufacturer:** DAOKAI ## Images ![5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Wire - Image 1](https://m.media-amazon.com/images/I/61qD+91BMoL.jpg) ## Available Options This product comes in different **Colour Name** options. ## Frequently Bought Together - DAOKAI 5PCS IR Infrared Slotted Optical Optocoupler Speed Measuring Sensor Module 3.3-5V for Arduino Also for Smart Robot Car Speed Measurement with Dupont Wire - 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 - Emo Smart Robot Car Chassis Kit with Motors, Speed Encoder and Battery Box for DIY --- ## 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.co.za/products/447111170-5pcs-ir-infrared-slotted-optical-optocoupler-speed-measuring-sensor-module](https://www.desertcart.co.za/products/447111170-5pcs-ir-infrared-slotted-optical-optocoupler-speed-measuring-sensor-module) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-04-26*