The ESP8266 ESP-01S Relay Module is a compact and versatile device that combines the power of the ESP8266 WiFi module with a relay, allowing you to create smart home or IoT (Internet of Things) projects that involve controlling electrical appliances or devices remotely. This module is often used to build WiFi-enabled smart sockets, switches, and other automation systems. Heres a description of its key features and functionalities

Features:

1. WiFi Connectivity: Enables remote control and monitoring of devices over a local network or the internet.
2. Relay Switch: Allows you to control electrical appliances or devices with ease.
3. Compact Size: Its small form factor makes it easy to embed in various projects.
4. GPIO Pins: Provides additional pins for interfacing with sensors and peripherals.
5. Serial Communication: Supports communication with other microcontrollers or devices via UART.
6. Easy Programming: This can be programmed using the Arduino IDE or similar development environments.
7. Versatile Applications: Ideal for home automation, IoT projects, energy-saving solutions, and security systems.

Specifications:

1. Microproessor: ESP8266 microcontroller with a 32-bit Tensilica L106 RISC CPU
2. Wireless Connectivity: WiFi 802.11 b/g/n (2.4 GHz) for connecting to local networks and the internet.
3. Relay: 250VAC, 10A Single relay switch (Normally Open) for controlling electrical loads
4. GPIO Pins: GPIO0 and GPIO2 are commonly used for relay control and status indication
5. Serial Communication: UART up to 115200 bps
6. Power Supply: 3.3V DC
7. Programming Interface:

• • 4-pin header for programming and firmware flashing.
  • TX and RX pins for serial communication.
  • CH_PD (Chip Enable) and RST (Reset) pins for control

Package Includes:

1 x ESP8266 ESP-01S Relay module relay WIFI smart socket