{"product_id":"esp-07-8-channel-wifi-relay-module-esp8266-ac-dc-power-supply","title":"ESP-07 8-Channel WiFi Relay Module ESP8266 AC\/DC Supply","description":"\n\u003ch2\u003eESP-07 8-Channel WiFi Relay Module with ESP8266 \u0026amp; AC\/DC Power Supply\u003c\/h2\u003e\n\u003cp\u003eTake full control of your home automation, IoT projects, or industrial switching applications with this powerful \u003cstrong\u003eESP-07 8-Channel WiFi Relay Module\u003c\/strong\u003e. Built around the reliable \u003cstrong\u003eESP8266 ESP-07 WiFi chip\u003c\/strong\u003e and loaded with a generous \u003cstrong\u003e4MB Flash memory\u003c\/strong\u003e, this module is engineered for makers, developers, and electronics enthusiasts who demand flexibility and performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP-07 WiFi Module:\u003c\/strong\u003e Mature, stable, and equipped with a large-capacity 4M Byte Flash for robust wireless connectivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Power Input:\u003c\/strong\u003e Supports both \u003cstrong\u003eDC 7–28V\u003c\/strong\u003e and \u003cstrong\u003e5V\u003c\/strong\u003e power supply modes — compatible with a wide range of setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 On-Board 5V Relays:\u003c\/strong\u003e Each relay outputs switch signals suitable for controlling loads up to \u003cstrong\u003eAC 250V \/ DC 30V\u003c\/strong\u003e, making it ideal for switching lights, motors, appliances, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-Board RST Reset Button:\u003c\/strong\u003e Easily reset the WiFi module without any additional hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino \u0026amp; Eclipse IDE Compatible:\u003c\/strong\u003e Fully supports popular development environments including \u003cstrong\u003eArduino IDE\u003c\/strong\u003e and \u003cstrong\u003eEclipse\u003c\/strong\u003e, with reference programs provided for the Arduino environment — get started quickly with minimal setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; Relay Indicator Lights:\u003c\/strong\u003e At-a-glance LED indicators show power status and the active state of each relay channel for easy monitoring and debugging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiFi Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP8266 ESP-07\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4M Byte\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 7–28V \/ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Relay Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (on-board)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Load Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 250V \/ DC 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevelopment Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino IDE, Eclipse\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicator Lights\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower indicator + Relay status indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× ESP-07 8-Channel WiFi Relay Module \u003cstrong\u003eOR\u003c\/strong\u003e 1× Shell (see variant selection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and display differences, the item's color may appear slightly different from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a 1mm–1cm tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More\u003c\/h3\u003e\n\u003cp\u003eFor guidelines on safe electrical practices and product safety standards, visit the U.S. Consumer Product Safety Commission (CPSC). For technical measurement and standards references, see \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST – National Institute of Standards and Technology\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontroller is used in this 8-channel WiFi relay module?\u003c\/h4\u003e\n\u003cp\u003eA: This module is built around the \u003cstrong\u003eESP8266 ESP-07\u003c\/strong\u003e WiFi chip, which features a 4M Byte Flash. It is a mature and widely supported chip compatible with Arduino IDE and Eclipse development environments, making it an excellent choice for IoT and home automation secondary development projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage loads can the 8-channel relay module switch?\u003c\/h4\u003e\n\u003cp\u003eA: Each of the 8 on-board 5V relays can control loads operating at up to \u003cstrong\u003eAC 250V or DC 30V\u003c\/strong\u003e. This makes the module suitable for switching household appliances, lighting circuits, motors, and other standard electrical loads within those limits.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I program this WiFi relay module with Arduino IDE?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ESP-07 ESP8266 module fully supports the \u003cstrong\u003eArduino IDE\u003c\/strong\u003e as well as Eclipse. Reference programs for the Arduino development environment are provided, so you can start building and deploying your custom WiFi-controlled relay projects quickly and easily.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply options does this relay module support?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports a wide input range: \u003cstrong\u003eDC 7–28V\u003c\/strong\u003e or \u003cstrong\u003e5V\u003c\/strong\u003e, giving you flexibility to power it from a variety of sources including standard 12V adapters, 24V industrial supplies, or 5V USB power banks (with appropriate wiring).\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microcontroller is used in this 8-channel WiFi relay module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module is built around the ESP8266 ESP-07 WiFi chip, which features a 4M Byte Flash. 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