{"product_id":"relay-module-with-2-4g-wi-fi-and-self-locking-interlock-functionality-a-one-way-remote-control-device-featuring-a-usb-communication-interface-and-7-32v-operating-voltage-model-smg-wf01-7-32v-with-pcb-onboard-antenna","title":"Relay module with 2.4G Wi-Fi and self-locking interlock functionality, a one-way remote control device featuring a USB communication interface and 7-32V operating voltage, model SMG-WF01-7-32V with PCB onboard antenna.","description":"\u003ch1\u003eSMG-WF01-7-32V: A Wi-Fi Relay Module for Remote Electrical Control\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"SMG-WF01-7-32V one-channel Wi-Fi relay module with USB port and PCB antenna.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/952\/2025-09-28\/original-image\/22a0ae2b-3ebf-420c-aff5-f7852008713e.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis self-locking interlock relay module, model SMG-WF01-7-32V, enables wireless control of a single electrical circuit. Designed for integration into automation and remote control systems, it uses standard 2.4GHz Wi-Fi for communication and is compatible with the Ewelink platform for smartphone operation. Its key feature is a wide operating voltage range of 7 to 32V DC, which allows it to be used with a variety of power supplies and in different low-voltage scenarios, from hobbyist projects to specific professional applications requiring remote switching functionality.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"SMG-WF01-7-32V one-channel Wi-Fi relay module with USB port and PCB antenna.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/952\/2025-09-28\/original-image\/611a1f1f-5343-4950-a99e-1a4db0f862ea.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis module is built around core specifications that define its capabilities and physical form. The following details cover its construction and how its size relates to practical installation.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe module is constructed using standard electronic components assembled on a Printed Circuit Board (PCB). The antenna for the 2.4G Wi-Fi radio is a PCB onboard type, meaning it is etched directly onto the circuit board, which contributes to a compact and integrated design. This construction supports the primary functions of Wi-Fi communication, signal processing, and relay switching without the need for an external antenna.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eThe module measures 15cm in length, 8cm in width, and has a profile of 2cm in height. This compact size, combined with a light unit weight of 0.1kg, facilitates installation in control panels, enclosures, or behind fixtures where space may be limited. The dimensions are a key practical consideration for planning its placement within an electrical setup.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"SMG-WF01-7-32V one-channel Wi-Fi relay module with USB port and PCB antenna.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/952\/2025-09-28\/original-image\/719e3c0a-1864-4ab9-9fb6-4f98e4f6ab27.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe module's specifications support its use in both specific technical projects and broader home automation contexts. Understanding these applications helps in determining its suitability for your needs.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eIn professional or event-based settings, this relay can be employed for the timed or remote activation of lighting sequences, signage, or other electrical equipment. The self-locking interlock feature ensures the relay maintains its state (on or off) after a remote command is sent, which is useful for scenarios requiring stable, long-duration control without constant signal transmission.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor home automation, the module can integrate with the Ewelink ecosystem to control a single appliance, such as a lamp, fan, or coffee maker, via a smartphone app. The 7-32V operating voltage means it can be powered by common low-voltage adapters or batteries, making it a candidate for DIY smart home projects where mains voltage switching via a low-voltage signal is required.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"SMG-WF01-7-32V one-channel Wi-Fi relay module with USB port and PCB antenna.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/952\/2025-09-28\/original-image\/ab91bd40-71c8-4966-929c-14bb3d5c6c30.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe value of this product lies in its specific technical offerings and the practical advantages they provide to the user, particularly regarding its potential for reuse and straightforward operation.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eAs a solid-state electronic module with no moving parts aside from the relay itself, it is designed for reliable operation over time. Its compatibility with the widespread Ewelink platform and standard Wi-Fi protocols supports its use across multiple projects or system upgrades, offering longevity beyond a single application.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis relay module stands out for its combination of a specific self-locking interlock function with broad Wi-Fi accessibility. The wide 7-32V operating voltage is a significant differentiator, providing more flexibility than modules with a narrower voltage range. For users seeking a single-channel relay that works with Ewelink and can be powered from diverse low-voltage sources, this module presents a focused and adaptable solution.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"SMG-WF01-7-32V one-channel Wi-Fi relay module with USB port and PCB antenna.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/952\/2025-09-28\/original-image\/b048f9c9-e5f4-4e7a-8bc0-8421b2ff202c.webp\"\u003e\u003c\/div\u003e","brand":"jvc7gs-zv","offers":[{"title":"A","offer_id":53209275269462,"sku":"CJPB164533901AZ","price":24.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/7717\/2054\/files\/ab91bd40-71c8-4966-929c-14bb3d5c6c30.webp?v=1776875143","url":"https:\/\/avermora.com\/products\/relay-module-with-2-4g-wi-fi-and-self-locking-interlock-functionality-a-one-way-remote-control-device-featuring-a-usb-communication-interface-and-7-32v-operating-voltage-model-smg-wf01-7-32v-with-pcb-onboard-antenna","provider":"AverMora","version":"1.0","type":"link"}