{"product_id":"4-channel-relay-and-4-channel-opto-isolated-input-board-for-esp32-38-pin-5v","title":"4 Channel Relay and 4 Channel opto Isolated Input Board for ESP32 38 Pin 5V","description":"\u003cp data-end=\"468\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"86\" data-start=\"4\"\u003e4 Channel Relay and 4 Channel Opto-Isolated Input Board for ESP32 38-Pin, 5V\u003c\/strong\u003e is a ready-to-use control and automation module designed for safe switching and isolated input monitoring with ESP32 development boards. Featuring four independent relay channels and four opto-isolated digital input channels, this board is ideal for home automation, industrial control, and DIY electronics projects requiring electrical isolation and reliable load control. Operating on a 5V DC supply, the board is compatible with 38-pin ESP32 modules and provides convenient GPIO pin headers for direct interfacing. Each relay and opto input channel can be controlled or monitored individually, allowing precise management of connected devices and sensors.\u003c\/p\u003e\n\u003ch4 data-end=\"769\" data-start=\"760\"\u003eFeatures:\u003c\/h4\u003e\n\u003col\u003e\n\u003cli data-end=\"824\" data-start=\"771\"\u003e4-channel relay output for independent load control\u003c\/li\u003e\n\u003cli data-end=\"900\" data-start=\"826\"\u003e4-channel opto-isolated digital input channels for safe signal detection\u003c\/li\u003e\n\u003cli data-end=\"951\" data-start=\"902\"\u003eCompatible with 38-pin ESP32 development boards\u003c\/li\u003e\n\u003cli data-end=\"978\" data-start=\"953\"\u003e5V DC operating voltage\u003c\/li\u003e\n\u003cli data-end=\"1040\" data-start=\"980\"\u003eSupports AC and DC load switching (relay rating dependent)\u003c\/li\u003e\n\u003cli data-end=\"1097\" data-start=\"1042\"\u003eOpto isolation for improved safety and noise immunity\u003c\/li\u003e\n\u003cli data-end=\"1139\" data-start=\"1099\"\u003eEasy GPIO-based interfacing with ESP32\u003c\/li\u003e\n\u003cli data-end=\"1172\" data-start=\"1141\"\u003eCompact and robust PCB design\u003c\/li\u003e\n\u003cli data-end=\"1251\" data-start=\"1174\"\u003eIdeal for home automation, industrial control, and DIY electronics projects\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 data-end=\"1268\" data-start=\"1253\"\u003eSpecifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1351\" data-start=\"1270\"\u003eModule Type: 4-Channel Relay with 4-Channel Opto-Isolated Input Board for ESP32\u003c\/li\u003e\n\u003cli data-end=\"1382\" data-start=\"1353\"\u003eNumber of Relay Channels: 4\u003c\/li\u003e\n\u003cli data-end=\"1427\" data-start=\"1384\"\u003eNumber of Opto-Isolated Input Channels: 4\u003c\/li\u003e\n\u003cli data-end=\"1451\" data-start=\"1429\"\u003eInput Voltage: 5V DC\u003c\/li\u003e\n\u003cli data-end=\"1490\" data-start=\"1453\"\u003eCompatible Controller: 38-Pin ESP32\u003c\/li\u003e\n\u003cli data-end=\"1539\" data-start=\"1492\"\u003eRelay Type: Electromechanical Relay (onboard)\u003c\/li\u003e\n\u003cli data-end=\"1568\" data-start=\"1541\"\u003eRelay Control: ESP32 GPIO\u003c\/li\u003e\n\u003cli data-end=\"1615\" data-start=\"1570\"\u003eLoad Type: AC \/ DC (relay rating dependent)\u003c\/li\u003e\n\u003cli data-end=\"1659\" data-start=\"1617\"\u003eInput Type: Opto-isolated digital inputs\u003c\/li\u003e\n\u003cli data-end=\"1680\" data-start=\"1661\"\u003ePCB Material: FR4\u003c\/li\u003e\n\u003cli data-end=\"1721\" data-start=\"1682\"\u003eOperating Temperature: –10°C to +60°C\u003c\/li\u003e\n\u003cli\u003eRelay AC Load: 10A @ 125V AC to \u003cmeta charset=\"utf-8\"\u003e10A @ 250V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRelay DC Load: 10A @ 28V DC to 12A @ 120V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-end=\"1740\" data-start=\"1723\"\u003ePackage Includes:\u003c\/h4\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1824\" data-start=\"1742\"\u003e1 × 4 Channel Relay and 4 Channel Opto-Isolated Input Board for ESP32 (38-Pin, 5V)\u003c\/p\u003e","brand":"ET","offers":[{"title":"Default Title","offer_id":45774008516842,"sku":"MOD-QC4379","price":438.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/6424\/6919\/files\/4_Channel_Relay_and_4_Channel_opto_Isolated_Input_Board_for_ESP32_38_Pin_5V.jpg?v=1768022825","url":"https:\/\/quartzcomponents.com\/products\/4-channel-relay-and-4-channel-opto-isolated-input-board-for-esp32-38-pin-5v","provider":"QuartzComponents","version":"1.0","type":"link"}