{"id":52542,"date":"2017-04-09T20:36:53","date_gmt":"2017-04-09T19:36:53","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=52542"},"modified":"2026-10-19T16:07:34","modified_gmt":"2026-10-19T16:07:34","slug":"4-channel-infrared-line-follower-sensor-module","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/4-channel-infrared-line-follower-sensor-module\/","title":{"rendered":"4-Channel Infrared Line-Follower Sensor Module"},"content":{"rendered":"<h3>4-Channel Infrared Line-Follower Sensor Module<\/h3>\n<p>This four-channel line-follower module uses infrared sensors to detect and follow lines or paths. It is designed for line-following robots and automation projects.<\/p>\n<h4>Specifications<\/h4>\n<ul>\n<li><strong>Operating voltage:<\/strong> 3.3\u20135 V<\/li>\n<li><strong>Operating current:<\/strong> greater than 1 A (as stated in the source listing; verify the requirement before connecting power)<\/li>\n<li><strong>Adjustable detection distance:<\/strong> 1 mm to 60 cm (as stated in the source listing)<\/li>\n<li><strong>Output:<\/strong> TTL digital signal (HIGH\/LOW)<\/li>\n<li><strong>Operating temperature:<\/strong> \u221210 \u00b0C to +50 \u00b0C<\/li>\n<li><strong>Main board dimensions:<\/strong> 42 \u00d7 38 \u00d7 12 mm<\/li>\n<li><strong>Individual sensor dimensions:<\/strong> 25 \u00d7 12 \u00d7 12 mm<\/li>\n<li><strong>Output interface:<\/strong> 6 wires: four sensor signals, positive supply and ground<\/li>\n<\/ul>\n<h4>How it works<\/h4>\n<p>Four infrared emitter\/receiver pairs sense the surface below the module. The receivers detect changes in reflected light from black or white lines, and the module converts these changes into digital signals.<\/p>\n<h4>Pinout<\/h4>\n<ul>\n<li><strong>VCC:<\/strong> 3.3 V or 5 V supply<\/li>\n<li><strong>GND:<\/strong> ground<\/li>\n<li><strong>OUT1\u2013OUT4:<\/strong> digital outputs for sensors 1\u20134; connect each to an Arduino digital input<\/li>\n<\/ul>\n<h4>Applications<\/h4>\n<ul>\n<li>Line-following and maze-solving robots<\/li>\n<li>Presence detection and security systems<\/li>\n<li>Obstacle and surface detection<\/li>\n<li>Position and object detection in automation projects<\/li>\n<\/ul>\n<h4>Using the module with Arduino Uno<\/h4>\n<h5>Basic example code<\/h5>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>int sensorPins[] = {2, 3, 4, 5}; \/\/ Broches connect\u00e9es aux sorties des capteurs\r\nint ledPin = 13; \/\/ Broche connect\u00e9e \u00e0 la LED int\u00e9gr\u00e9e\r\n\r\nvoid setup() {\r\nfor (int i = 0; i &lt; 4; i++) {\r\npinMode(sensorPins[i], INPUT);\r\n}\r\npinMode(ledPin, OUTPUT);\r\nSerial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\nfor (int i = 0; i &lt; 4; i++) {\r\nint sensorValue = digitalRead(sensorPins[i]);\r\nSerial.print(\"Capteur \");\r\nSerial.print(i + 1);\r\nSerial.print(\": \");\r\nSerial.println(sensorValue);\r\n}\r\ndelay(1000);\r\n}<\/code><\/pre>\n<\/div>\n<h5>Advanced example with an I2C LCD<\/h5>\n<p>The second example reads the four digital sensor outputs, displays the readings on a 1602 I2C LCD and the serial monitor, and indicates when a sensor detects a line (LOW).<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;Wire.h&gt;\r\n#include &lt;LiquidCrystal_I2C.h&gt;\r\n\r\nint sensorPins[] = {2, 3, 4, 5}; \/\/ Broches connect\u00e9es aux sorties des capteurs\r\nLiquidCrystal_I2C lcd(0x27, 16, 2); \/\/ Adresse I2C de l'\u00e9cran LCD\r\n\r\nvoid setup() {\r\nfor (int i = 0; i &lt; 4; i++) {\r\npinMode(sensorPins[i], INPUT);\r\n}\r\nlcd.begin();\r\nlcd.backlight();\r\nSerial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\nlcd.setCursor(0, 0);\r\nlcd.print(\"S1:S2:S3:S4\");\r\nlcd.setCursor(0, 1);\r\nfor (int i = 0; i &lt; 4; i++) {\r\nint sensorValue = digitalRead(sensorPins[i]);\r\nlcd.print(sensorValue);\r\nlcd.print(\" \");\r\nSerial.print(\"Capteur \");\r\nSerial.print(i + 1);\r\nSerial.print(\": \");\r\nSerial.println(sensorValue);\r\n}\r\ndelay(1000);\r\n}<\/code><\/pre>\n<\/div>\n<h5>Arduino wiring for the digital outputs and LCD<\/h5>\n<ul>\n<li><strong>VCC:<\/strong> Arduino 5 V<\/li>\n<li><strong>GND:<\/strong> Arduino GND<\/li>\n<li><strong>OUT1:<\/strong> Arduino digital pin 2<\/li>\n<li><strong>OUT2:<\/strong> Arduino digital pin 3<\/li>\n<li><strong>OUT3:<\/strong> Arduino digital pin 4<\/li>\n<li><strong>OUT4:<\/strong> Arduino digital pin 5<\/li>\n<li><strong>LCD SDA:<\/strong> Arduino A4<\/li>\n<li><strong>LCD SCL:<\/strong> Arduino A5<\/li>\n<\/ul>\n<h4>Library installation<\/h4>\n<ol>\n<li>Open the Arduino IDE and select <strong>Sketch \u2192 Include Library \u2192 Manage Libraries<\/strong>.<\/li>\n<li>Search for <code>LiquidCrystal_I2C<\/code> and install the library by Frank de Brabander.<\/li>\n<\/ol>\n<p><small>Keywords: four-channel line follower, infrared sensor array, line tracking, obstacle detection, robotics sensor, TCRT5000.<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Four-channel infrared line-follower sensor module with adjustable detection and digital outputs for Arduino robots.<\/p>\n","protected":false},"featured_media":52544,"template":"","meta":[],"product_brand":[],"product_cat":[314,316],"product_tag":[],"class_list":["post-52542","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement-en","product_cat-modules-capteurs-en","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site 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