{"id":52362,"date":"2017-04-09T13:07:49","date_gmt":"2017-04-09T12:07:49","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=52362"},"modified":"2026-10-19T15:43:28","modified_gmt":"2026-10-19T15:43:28","slug":"module-2-relais-5v","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/module-2-relais-5v\/","title":{"rendered":"2-Channel 5V Relay Module"},"content":{"rendered":"<h3>2-Channel 5V Relay Module<\/h3>\n<p>The 5V two-channel relay module is a switching device used to control AC and DC loads. It is compatible with microcontrollers such as Arduino and Raspberry Pi, allowing electrical devices to be controlled remotely.<\/p>\n<h4>Detailed Specifications<\/h4>\n<ul>\n<li><strong>Relay type<\/strong>: Electromechanical relay<\/li>\n<li><strong>Number of channels<\/strong>: 2<\/li>\n<li><strong>Control voltage<\/strong>: 5V DC<\/li>\n<li><strong>Rated current<\/strong>: 10A<\/li>\n<li><strong>Contact configuration<\/strong>: SPDT (Single Pole Double Throw)<\/li>\n<li><strong>Load rating<\/strong>: AC250V 10A, DC30V 10A<\/li>\n<li><strong>LED indicators<\/strong>: Indicate relay status<\/li>\n<li><strong>Dimensions<\/strong>: 92 x 46 x 20 mm<\/li>\n<li><strong>Trigger<\/strong>: Active LOW<\/li>\n<li><strong>Isolation<\/strong>: Optocoupler isolation<\/li>\n<\/ul>\n<h4>How It Works<\/h4>\n<p>The relay uses an electromagnetic coil activated by a 5V control voltage to open or close its contacts. This allows high-power electrical loads to be controlled with a low-voltage signal while providing effective isolation and reliable switching.<\/p>\n<h4>Applications<\/h4>\n<ul>\n<li><strong>Industrial automation<\/strong>: Switching motors, heaters, and other industrial equipment.<\/li>\n<li><strong>Security systems<\/strong>: Used in alarm systems to activate sirens or signaling devices.<\/li>\n<li><strong>Home automation<\/strong>: Controlling lighting and electrical appliances in smart homes.<\/li>\n<li><strong>Electronics projects<\/strong>: Ideal for prototyping and development with Arduino and other microcontrollers.<\/li>\n<\/ul>\n<h4>How to Use It with an Arduino Uno<\/h4>\n<p>To use this module with an Arduino Uno, you will need the following components:<\/p>\n<ul>\n<li>1 x 5V 2-channel relay module<\/li>\n<li>1 x Arduino Uno<\/li>\n<li>Connecting wires<\/li>\n<li>Breadboard<\/li>\n<\/ul>\n<p><strong>Wiring instructions<\/strong>:<\/p>\n<ol>\n<li><strong>Power the module<\/strong>: Connect the module&#8217;s VCC pin to the Arduino 5V pin and its GND pin to Arduino GND.<\/li>\n<li><strong>Control inputs<\/strong>: Connect the module&#8217;s IN1 and IN2 pins to Arduino digital outputs (for example, pins 7 and 8).<\/li>\n<li><strong>Load connections<\/strong>: Connect the relay output terminals (NO and COM) to the load you want to control. The NO terminal is normally open and closes when the relay is activated.<\/li>\n<\/ol>\n<p><strong>Arduino Uno code example<\/strong>:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>const int relaisPin1 = 7; \/\/ Pin de commande du premier relais\r\nconst int relaisPin2 = 8; \/\/ Pin de commande du second relais\r\n\r\n\r\nvoid setup() {\r\n\u00a0 pinMode(relaisPin1, OUTPUT); \/\/ D\u00e9finit la pin de commande comme une sortie\r\n\u00a0 pinMode(relaisPin2, OUTPUT); \/\/ D\u00e9finit la pin de commande comme une sortie\r\n}\r\n\r\n\r\nvoid loop() {\r\n\u00a0 digitalWrite(relaisPin1, LOW); \/\/ Active le premier relais\r\n\u00a0 digitalWrite(relaisPin2, LOW); \/\/ Active le second relais\r\n\u00a0 delay(5000); \/\/ Attend 5 secondes\r\n\u00a0 digitalWrite(relaisPin1, HIGH); \/\/ D\u00e9sactive le premier relais\r\n\u00a0 digitalWrite(relaisPin2, HIGH); \/\/ D\u00e9sactive le second relais\r\n\u00a0 delay(5000); \/\/ Attend 5 secondes\r\n}<\/code><\/pre>\n<\/div>\n<h4>Code Explanation<\/h4>\n<ol>\n<li><strong>Control pin declaration<\/strong>: Arduino Uno pins 7 and 8 are configured as outputs to control the relays.<\/li>\n<li><strong>Relay setup<\/strong>: In <code>setup()<\/code>, the pins are initialized as outputs.<\/li>\n<li><strong>Main loop<\/strong>:\n<ul>\n<li>Each relay is activated by sending a LOW signal to its respective control pin, closing the connected circuits.<\/li>\n<li>The program waits for 5 seconds.<\/li>\n<li>The relays are then deactivated by sending a HIGH signal to their control pins, opening the circuits.<\/li>\n<li>The program waits another 5 seconds before repeating the cycle.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4>Pinout<\/h4>\n<ul>\n<li><strong>VCC<\/strong>: Connected to the 5V power supply<\/li>\n<li><strong>GND<\/strong>: Connected to ground (GND)<\/li>\n<li><strong>IN1 and IN2<\/strong>: Control inputs for each relay, connected to digital outputs on the Arduino<\/li>\n<li><strong>NO1 and NO2<\/strong>: Normally open contacts, connected to the load for each relay<\/li>\n<li><strong>COM1 and COM2<\/strong>: Common terminals, connected to the load&#8217;s power supply<\/li>\n<\/ul>\n<p>&nbsp;<br \/>\n<span style=\"font-size: 8pt;\">Keywords: solid-state relay, 2-channel module, industrial automation, automatic lighting, home automation, relay, channel.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 5V two-channel relay module controls AC and DC loads up to 10A, making it ideal for industrial automation and home-automation projects.<\/p>\n","protected":false},"featured_media":52363,"template":"","meta":[],"product_brand":[],"product_cat":[61,72],"product_tag":[],"class_list":["post-52362","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement","product_cat-modules-capteurs","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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