---
product_id: 79372049
title: "Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino"
brand: "oiyagai"
price: "€ 21.42"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/79372049-oiyagai-5pcs-lm393-chip-motor-measuring-comparator-speed-sensor-module
store_origin: NL
region: Netherlands
---

# DC 3.3-5V 33 x 14mm LM393 Chip Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino

**Brand:** oiyagai
**Price:** € 21.42
**Availability:** ✅ In Stock

## Summary

> 🚀 Speed into the Future with Precision!

## Quick Answers

- **What is this?** Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino by oiyagai
- **How much does it cost?** € 21.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/79372049-oiyagai-5pcs-lm393-chip-motor-measuring-comparator-speed-sensor-module)

## Best For

- oiyagai enthusiasts

## Why This Product

- Trusted oiyagai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Value:** Get 5 modules to power up multiple projects at once!
- • **Compact Design:** Space-saving dimensions of 33 x 14mm fit seamlessly into your projects.
- • **Precision Performance:** Achieve accurate speed measurements with the LM393 chip.
- • **Lightweight Innovation:** Weighing only 4g, it won’t weigh down your designs.
- • **Versatile Compatibility:** Perfectly pairs with MCU and Arduino for endless possibilities.

## Overview

The Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module is a compact and efficient solution for speed measurement in various electronic projects. Operating at a voltage of DC 3.3-5V, this module features a high-performance LM393 chip and comes in a lightweight package of 5 units, making it ideal for hobbyists and professionals alike.

## Description

Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino

## Features

- Product Name : Speed Sensor Module;Working Voltage : DC 3.3-5V
- Main Chip : LM393;PCB Board Size : 33 x 14mm/ 1.3" x 0.55" (L*W)
- Slotted Width : 5mm/ 0.2";Hole Size : 3mm/ 0.12"
- Material : Electric Part;Net Weight : 4g
- Package Content : 5 x Speed Sensor Module

## Product Details

- **Compatible Devices:** Microphone
- **Color:** Blue
- **Brand:** Oiyagai
- **Item Weight:** 4 Grams
- **Number of Ports:** 1

## Images

![Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino - Image 1](https://m.media-amazon.com/images/I/71ZJLl497bL.jpg)
![Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino - Image 2](https://m.media-amazon.com/images/I/61s4qA+RtDL.jpg)
![Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino - Image 3](https://m.media-amazon.com/images/I/61jg1E8MOGL.jpg)
![Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino - Image 4](https://m.media-amazon.com/images/I/61VOaVWoOmL.jpg)
![Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino - Image 5](https://m.media-amazon.com/images/I/61swkZ9wjvL.jpg)

## Questions & Answers

**Q: what does it mean by AO and DO, im guessing analogue out and digital out?**
A: The DO is the digital pulse stream for each interruption of the beam. I am not using the AO output but I am sure that the datasheet can inform you of that.

## Frequently Bought Together

- Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino
- Arduino Uno REV3 [A000066]
- 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

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**Shop now:** [https://www.desertcart.nl/products/79372049-oiyagai-5pcs-lm393-chip-motor-measuring-comparator-speed-sensor-module](https://www.desertcart.nl/products/79372049-oiyagai-5pcs-lm393-chip-motor-measuring-comparator-speed-sensor-module)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-17*