{"id":52366,"date":"2017-04-09T13:12:48","date_gmt":"2017-04-09T12:12:48","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=52366"},"modified":"2026-10-19T15:43:28","modified_gmt":"2026-10-19T15:43:28","slug":"module-4-relais-5v","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/module-4-relais-5v\/","title":{"rendered":"4-Channel 5V Relay Module"},"content":{"rendered":"<h3>4-Channel 5V Relay Module<\/h3>\n<p>The 5V four-channel relay module is a switching device for controlling 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>: 4<\/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>An electromagnetic coil activated by a 5V control voltage opens or closes the relay contacts. This lets a low-voltage control signal switch higher-power electrical loads 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>: Activating sirens or signaling devices in alarm systems.<\/li>\n<li><strong>Home automation<\/strong>: Controlling lighting and electrical appliances in smart homes.<\/li>\n<li><strong>Electronics projects<\/strong>: Prototyping and development with Arduino and other microcontrollers.<\/li>\n<\/ul>\n<h4>How to Use It with an Arduino Uno<\/h4>\n<p>Required components:<\/p>\n<ul>\n<li>1 x 5V 4-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 VCC to the Arduino 5V pin and GND to Arduino GND.<\/li>\n<li><strong>Control inputs<\/strong>: Connect IN1 through IN4 to Arduino digital outputs (for example, pins 7, 8, 9, and 10).<\/li>\n<li><strong>Load connections<\/strong>: Connect the relay output terminals (NO and COM) to the load. NO 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 relaisPins[4] = {7, 8, 9, 10}; \/\/ Pins de commande des relais\r\n\r\n\r\nvoid setup() {\r\n\u00a0 for(int i = 0; i &lt; 4; i++) {\r\n\u00a0 \u00a0 pinMode(relaisPins[i], OUTPUT); \/\/ D\u00e9finit chaque pin de commande comme une sortie\r\n\u00a0 }\r\n}\r\n\r\n\r\nvoid loop() {\r\n\u00a0 for(int i = 0; i &lt; 4; i++) {\r\n\u00a0 \u00a0 digitalWrite(relaisPins[i], LOW); \/\/ Active chaque relais\r\n\u00a0 }\r\n\u00a0 delay(5000); \/\/ Attend 5 secondes\r\n\r\n\r\n\u00a0 for(int i = 0; i &lt; 4; i++) {\r\n\u00a0 \u00a0 digitalWrite(relaisPins[i], HIGH); \/\/ D\u00e9sactive chaque relais\r\n\u00a0 }\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, 8, 9, and 10 are configured as outputs for the relays.<\/li>\n<li><strong>Relay setup<\/strong>: In <code>setup()<\/code>, the control pins are initialized as outputs.<\/li>\n<li><strong>Main loop<\/strong>:\n<ul>\n<li>Each relay is activated with a LOW signal on its control pin, closing the connected circuit.<\/li>\n<li>The program waits 5 seconds.<\/li>\n<li>The relays are deactivated with a HIGH signal, opening the circuits.<\/li>\n<li>The program waits another 5 seconds before repeating.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4>Pinout<\/h4>\n<ul>\n<li><strong>VCC<\/strong>: 5V power supply<\/li>\n<li><strong>GND<\/strong>: Ground (GND)<\/li>\n<li><strong>IN1 to IN4<\/strong>: Control inputs for the relays, connected to Arduino digital outputs<\/li>\n<li><strong>NO1 to NO4<\/strong>: Normally open terminals, connected to each load<\/li>\n<li><strong>COM1 to COM4<\/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, 4-channel module, industrial automation, automatic lighting, home automation, relay, channel.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 5V four-channel relay module controls AC and DC loads up to 10A, ideal for industrial automation and home-automation projects.<\/p>\n","protected":false},"featured_media":52367,"template":"","meta":[],"product_brand":[],"product_cat":[61,72],"product_tag":[],"class_list":["post-52366","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement","product_cat-modules-capteurs","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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