{"title":"ESP8266 ESP-01/ESP-01S Relay WiFi Smart Control Module for Arduino","handle":"esp8266-esp-01-esp-01s-relay-wifi-smart-control-module-for-arduino","url":"/products/esp8266-esp-01-esp-01s-relay-wifi-smart-control-module-for-arduino","description":"A WiFi-controlled relay module designed for ESP-01 or ESP-01S modules (based on the ESP8266). The relay is controlled via GPIO0 with a low-level trigger, allowing you to switch mains-powered devices on and off wirelessly from a phone or any WiFi-connected device. APP and LUA source code are provided.\n\nKey Features\n\n\nWiFi Module – Compatible with ESP-01 and ESP-01S (ESP8266-based)\n\nRelay Control – GPIO0, low-level trigger\n\nWorking Voltage – DC 5V to 12V\n\nWorking Current – ≥250 mA\n\nRelay Load Rating – 10A at 250V AC / 10A at 30V DC / 10A at 28V DC\n\nTransmission Distance – Up to 400m (open environment)\n\nDimensions – 37 × 25mm\n\n\n\nWarning: This module can switch mains voltage loads. Ensure proper safety precautions, insulation, and enclosure when working with high voltages.\n\n\nIdeal For\n\nSmart home WiFi switches\nIoT device control\nRemote power switching projects\nHome automation with ESP8266\n\n\nPackage Contents\n\n1× ESP8266 ESP-01/ESP-01S relay module (ESP module not included)\n\n\nResources\n\nDocumentation and source code (GitHub)\n","vendor":"Elecrow","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3932,"title":"Default Title","sku":"EC-ESP11002R","price":4.29,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}