--- product_id: 221556062 title: "20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot" brand: "frienda" price: "€ 24.94" currency: EUR in_stock: true url: https://www.desertcart.gr/products/221556062-20-pieces-ir-infrared-obstacle-avoidance-sensor-module-3-wire store_origin: GR region: Greece --- # Direct 5V microcontroller compatibility Adjustable 2-30 cm detection range Infrared reflective sensing tech 20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot **Brand:** frienda **Price:** € 24.94 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your robotics game with precision IR sensing—don’t let obstacles slow your innovation! ## Quick Answers - **What is this?** 20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot by frienda - **How much does it cost?** € 24.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/221556062-20-pieces-ir-infrared-obstacle-avoidance-sensor-module-3-wire) ## Best For - frienda enthusiasts ## Why This Product - Trusted frienda brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Visual Feedback:** Built-in green LED indicator lights up on obstacle detection, keeping you in control at a glance. - • **Plug & Play Integration:** Seamlessly connects with Arduino, Raspberry Pi, and smart car robots—no complex wiring needed. - • **Compact & Lightweight Design:** Slim 18.7 x 10.3 cm modules weighing just 70g—engineered for sleek, space-conscious builds. - • **Versatile Application Powerhouse:** Perfect for robotics, line tracking, and smart vehicle projects powered by a stable 5V supply. - • **Precision Detection, Zero Guesswork:** Adjustable sensing distance from 2 to 30 cm ensures pinpoint obstacle recognition for flawless automation. ## Overview This 20-piece IR Infrared Obstacle Avoidance Sensor Module set features adjustable 2-30 cm detection range and a 35° sensing angle, using reflective photoelectric technology. Compatible with Arduino and Raspberry Pi, it outputs digital signals directly to microcontrollers at 5V, with built-in LED indicators for real-time feedback. Ideal for robotics, smart cars, and line tracking applications, these compact, lightweight modules empower precise, reliable obstacle detection in your projects. ## Description 20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot ## Features - Feature: there is a pair of infrared transmitting and receiving tube of the IR sensor module, tube infrared emit a certain frequency, when the detection direction meets the obstacles (reflecting surface), reflected infrared receiving tube, after the comparator circuit processing, green indicator will light up, at the same time signal output interface to output digital signal (a low level signal) - Function: the IR infrared obstacle avoidance sensor module can be applied in robot obstacle avoidance, obstacle avoidance car, line count, black and white line tracking, etc. - Adjustable distance: the detection distance of the infrared module is 2 to 30 cm, and the detection angle is 35 degrees, the distance The distance at which the potential can be detected is adjustable - Easy to use: the output port OUT sensor module can be directly connected to the microcontroller port, you can directly drive a 5V relay - Application: the IR sensor module can be applied for 3-5V DC power supply modules; There is a red power indicator ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Frienda | | Brand | Frienda | | Product Dimensions | 18.69 x 10.31 x 1.8 cm; 70 g | | Item model number | Frienda-Obstacle-431S | | Manufacturer part number | Frienda-Obstacle-431S | | Voltage | 5 Volts | | Item Weight | 70 g | ## Images ![20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot - Image 1](https://m.media-amazon.com/images/I/81HmxBKAP7L.jpg) ## Frequently Bought Together - Frienda 20 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino/Raspberry Pi 3/Smart Car Robot - 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 - ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant --- ## 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.gr/products/221556062-20-pieces-ir-infrared-obstacle-avoidance-sensor-module-3-wire](https://www.desertcart.gr/products/221556062-20-pieces-ir-infrared-obstacle-avoidance-sensor-module-3-wire) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-23*