{"id":345,"date":"2025-11-20T19:51:56","date_gmt":"2025-11-20T19:51:56","guid":{"rendered":"https:\/\/hamtechtechnologies.com\/index.php\/product\/1-channel-relay\/"},"modified":"2025-11-21T03:22:47","modified_gmt":"2025-11-21T03:22:47","slug":"1-channel-relay","status":"publish","type":"product","link":"https:\/\/hamtechtechnologies.com\/index.php\/product\/1-channel-relay\/","title":{"rendered":"1-channel Relay"},"content":{"rendered":"

The 1-Channel Relay Module<\/strong> is a compact, high-quality electromechanical switch designed for controlling high-voltage AC or DC devices using low-voltage logic signals. It can be triggered by microcontrollers such as Arduino, ESP8266, ESP32, STM32, Raspberry Pi, and other logic-level systems.
The relay provides electrical isolation between the control circuit and the high-voltage load, making it suitable for home automation, industrial control, and smart IoT applications.<\/p>\n

\n

Key Features<\/strong><\/h2>\n
    \n
  • \n

    Supports both AC<\/strong> and DC loads<\/strong><\/p>\n<\/li>\n

  • \n

    Optocoupler isolation for noise protection (on opto-isolated version)<\/p>\n<\/li>\n

  • \n

    Works with 3.3V and 5V logic<\/strong><\/p>\n<\/li>\n

  • \n

    High-quality relay with long lifespan<\/p>\n<\/li>\n

  • \n

    Status indication LED<\/p>\n<\/li>\n

  • \n

    Screw terminals for secure wiring<\/p>\n<\/li>\n

  • \n

    Suitable for microcontroller-based automation<\/p>\n<\/li>\n<\/ul>\n

    \n

    Variants<\/strong><\/h2>\n
      \n
    • \n

      Standard Relay (No optocoupler)<\/strong><\/p>\n<\/li>\n

    • \n

      Optocoupler Isolated Relay<\/strong><\/p>\n<\/li>\n

    • \n

      5V Relay Module<\/strong><\/p>\n<\/li>\n

    • \n

      3.3V Relay Module<\/strong><\/p>\n<\/li>\n<\/ul>\n

      \n

      Specifications<\/strong><\/h2>\n
      \n
      \n\n\n\n\n\n\n\n\n\n\n\n\n
      Feature<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
      Relay Voltage<\/td>\n5V or 3.3V (depending on variant)<\/td>\n<\/tr>\n
      Trigger Voltage<\/td>\n3.3\u20135V<\/td>\n<\/tr>\n
      Contact Rating<\/td>\n10A @ 250VAC \/ 10A @ 30VDC<\/td>\n<\/tr>\n
      Control Signal Type<\/td>\nLow-level or high-level trigger (depends on model)<\/td>\n<\/tr>\n
      Output<\/td>\nNO, NC, COM<\/td>\n<\/tr>\n
      Isolation<\/td>\nOptional optocoupler<\/td>\n<\/tr>\n
      Indicators<\/td>\nPower LED & Relay status LED<\/td>\n<\/tr>\n
      Mounting<\/td>\nPCB mount \/ Screw terminals<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
      \n

      Applications<\/strong><\/h2>\n
        \n
      • \n

        Smart home automation<\/p>\n<\/li>\n

      • \n

        Lighting control<\/p>\n<\/li>\n

      • \n

        Motor and pump switching<\/p>\n<\/li>\n

      • \n

        HVAC control<\/p>\n<\/li>\n

      • \n

        Industrial automation<\/p>\n<\/li>\n

      • \n

        IoT smart switches<\/p>\n<\/li>\n

      • \n

        Remote power control<\/p>\n<\/li>\n

      • \n

        Security systems<\/p>\n<\/li>\n<\/ul>\n

        \n

        Compatible Boards<\/strong><\/h2>\n
          \n
        • \n

          Arduino Uno \/ Mega \/ Nano<\/p>\n<\/li>\n

        • \n

          ESP8266, Wemos D1 Mini<\/p>\n<\/li>\n

        • \n

          ESP32 DevKit<\/p>\n<\/li>\n

        • \n

          Raspberry Pi (any model)<\/p>\n<\/li>\n

        • \n

          STM32 series<\/p>\n<\/li>\n

        • \n

          PIC \/ AVR \/ ARM boards<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

          A reliable 1-channel relay module for switching AC\/DC loads using microcontrollers like Arduino, ESP32, and Raspberry Pi. Ideal for automation and control projects.<\/p>\n","protected":false},"featured_media":389,"comment_status":"open","ping_status":"closed","template":"","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""}},"product_brand":[],"product_cat":[353,356,106,355],"product_tag":[357,359,358,361,360,362,277],"class_list":{"0":"post-345","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accessories","7":"product_cat-electronics-components","8":"product_cat-iot-components","9":"product_cat-relay-modules","10":"product_tag-1-channel-relay","11":"product_tag-3-3v-relay","12":"product_tag-5v-relay","13":"product_tag-automation-relay","14":"product_tag-esp32-relay","15":"product_tag-iot-relay-module","16":"product_tag-relay","18":"first","19":"outofstock","20":"taxable","21":"shipping-taxable","22":"purchasable","23":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/comments?post=345"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/media\/389"}],"wp:attachment":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/media?parent=345"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=345"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=345"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}