{"product_id":"esp32-modbus-rtu-four-way-relay-module-rs485-development-board-modbus-protocol-four-way-optocoupler","title":"ESP32 Modbus RTU four-way relay module RS485 development board MODBUS protocol four-way optocoupler","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHZWDONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e7-24v\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRelay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20;\"\u003eThis product is only used for development learning and DIY accessories. The product involves certain technical knowledge. Please carefully review the product function introduction before making a purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eFunctional Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eESP32 RS485 Modbus 4-channel relay\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e1.ESP32， Equipped with WIFI and Bluetooth\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e2. Input optocoupler isolation, output optocoupler isolation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e3. Built in CH340 serial port chip\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e4.7~24VDC power supply+TYPE-C power supply\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e5. Support Modbus\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e6. Built in RS485 interface\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eBoard size\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eSupports 7~24VDC power supply, TYPE-C power supply with RS485, USART, WIFI, Bluetooth, and Modbus support\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eEquipped with input\/output optocoupler isolation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e*TYPE-C interface: power supply and burning * EN reset button: press reset button\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e*BOOT button: Press and hold the reset button once to enter download mode * 4-channel optocoupler input: can control the relay\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S29475bcf76984ae79c9ec0149af464b0P.jpg\" style=\"width:615px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S29475bcf76984ae79c9ec0149af464b0P.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa415f7fa224f40acb19d7f46285de1be7.jpg\" style=\"width:619px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sa415f7fa224f40acb19d7f46285de1be7.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S61a928585343485eb897f14d3a02a990W.jpg\" style=\"width:611px;\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S61a928585343485eb897f14d3a02a990W.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55124308820267,"sku":"\u003cnone\u003e","price":59.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sa04854c2c7904c7091d35980165c7fecG.webp?v=1788072822","url":"https:\/\/yoeruyo.com\/products\/esp32-modbus-rtu-four-way-relay-module-rs485-development-board-modbus-protocol-four-way-optocoupler","provider":"Yoeruyo","version":"1.0","type":"link"}