--- product_id: 180585738 title: "5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders" brand: "youmile" price: "€ 26.67" currency: EUR in_stock: true url: https://www.desertcart.hr/products/180585738-5pcs-speed-measuring-sensor-lm393-speed-measuring-module-tacho-sensor store_origin: HR region: Croatia --- # 3.3V-5V wide voltage range High-precision digital switching output Compact 3.2cm x 1.4cm PCB size 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders **Brand:** youmile **Price:** € 26.67 **Availability:** ✅ In Stock ## Summary > 🚀 Measure Speed Like a Pro — Precision Meets DIY Power! ## Quick Answers - **What is this?** 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders by youmile - **How much does it cost?** € 26.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/180585738-5pcs-speed-measuring-sensor-lm393-speed-measuring-module-tacho-sensor) ## Best For - youmile enthusiasts ## Why This Product - Trusted youmile brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clear Digital Output:** Clean comparator signal with >15mA driving capability ensures flawless data transmission - • **Visual Status Indicator:** Built-in LED shows real-time output status for instant diagnostics - • **Plug & Play Installation:** Fixed bolt holes and included cables make setup seamless for MCU, Raspberry Pi, Arduino projects - • **Precision Groove Coupler Sensor:** Imported 5mm slot width for ultra-accurate speed detection - • **Versatile Voltage Compatibility:** Operates smoothly between 3.3V and 5V, perfect for diverse DIY and industrial automation needs ## Overview The 5Pcs Speed Measuring Sensor LM393 kit features imported groove coupler sensors with a 5mm slot width, delivering high-accuracy digital switching outputs. Its clean comparator signal supports over 15mA driving current, while integrated LED indicators provide instant output status. Compact and easy to install with fixed bolt holes and included cables, it operates efficiently within a 3.3V-5V range, making it ideal for MCU, Raspberry Pi, Arduino, and industrial automation applications. ## Description 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders ## Features - 1.the use of imported groove coupler sensor, slot width 5mm. - 2.output status indicator lamp output high, output low lights. - 3.block, output high; no shelter, output low. - 4.the comparator output signal clean, good waveform, driving ability, than 15mA. - 5.the working voltage of 3.3V-5V ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Youmile | | Part number | GR-YM-226 | | Item Weight | 160 g | | Package Dimensions | 19 x 7 x 3 cm; 160 g | | Item model number | GR-YM-226 | | Style | Digital | | Measurement Accuracy | High | | Plug profile | Surface Mount | | Specific uses | speed measurement, industrial automation | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Brand:** Youmile - **Style:** Digital - **Current rating:** 15 Milliamps - **Maximum supply voltage:** 5 Volts (DC) - **Measurement accuracy:** High ## Images ![5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - Image 1](https://m.media-amazon.com/images/I/71NUzztCDiL.jpg) ![5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - Image 2](https://m.media-amazon.com/images/I/61bobl-IPJL.jpg) ![5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - Image 3](https://m.media-amazon.com/images/I/51eReXlbYML.jpg) ![5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - Image 4](https://m.media-amazon.com/images/I/51PdwSErfGL.jpg) ![5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - Image 5](https://m.media-amazon.com/images/I/61WltGefp9L.jpg) ## Frequently Bought Together - Youmile 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders - 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 - Arduino UNO R4 WiFi [ABX00087] – Renesas RA4M1 + ESP32-S3, Wi-Fi, Bluetooth, USB-C, CAN, 12-bit DAC, OP AMP, Qwiic Connector, 12x8 LED Matrix for Advanced IoT & Embedded Projects --- ## 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.hr/products/180585738-5pcs-speed-measuring-sensor-lm393-speed-measuring-module-tacho-sensor](https://www.desertcart.hr/products/180585738-5pcs-speed-measuring-sensor-lm393-speed-measuring-module-tacho-sensor) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-27*