ESP-01/ESP-01S Relay WiFi Smart Control Module for Arduino

From the shop's description

Description This WiFi relay is based on the AI-Thinker ESP-01/ 01S WiFi module, we use the GPIO0 of ESP-01/ 01S to control the relay at low level. It’s easy to DIY your smart switch to any device by your phone anywhere with this smart relay. We support the APP and LUA source code, it can be used for smart homes, IoT, and other DIY projects. Specifications Working voltage: DC 5V-12V Working current: ≥250mA Communication: ESP01 or ESP 01S WiFi module Transmission distance: the maximum transmission distance is 400m (open environment, mobile phone equipped with WiFi module) Load: 10A/ 250VAC, 10A/ 30VDC, 10A/ 30VDC, 10A/ 28VDC Size: 37 x 25mm Note: This product doesn’t include ESP-01 WiFi Module you can buy it separately Applications: Home Automation: Control lights, fans, and other household appliances remotely. IoT Projects: Integrate with IoT platforms to create smart home solutions. Remote Monitoring: Use in applications requiring remote monitoring and control of devices. Security Systems: Implement in security systems for remote access and control. DIY Electronics: Suitable for DIY enthusiasts building custom smart home devices.