ESP8266 ESP-01 WiFi Module for Arduino, ESP32 & IoT Projects
Product Overview
The ESP8266 ESP-01 WiFi Module is a compact and powerful wireless communication module with built-in Wi-Fi, ideal for Arduino, ESP32, Raspberry Pi, smart home automation, IoT, and embedded system applications.
Description
The ESP8266 ESP-01 WiFi Module is one of the most popular and affordable Wi-Fi development modules for embedded electronics and Internet of Things (IoT) applications. Powered by the Espressif ESP8266 chip, it enables microcontrollers to connect to wireless networks and communicate with cloud services, mobile applications, and web servers.
The module supports both Station (STA) and Access Point (AP) modes, making it suitable for standalone IoT devices or wireless communication bridges. Its compact design makes it perfect for projects with limited space while providing reliable wireless connectivity.
Compatible with Arduino IDE, ESP8266 SDK, PlatformIO, NodeMCU firmware, and MicroPython, the ESP-01 can be integrated into a wide variety of applications, including home automation, wireless sensor networks, remote monitoring, industrial control, smart agriculture, and DIY electronics.
Whether you're building a Wi-Fi-enabled relay, weather station, smart lighting system, or remote monitoring solution, the ESP8266 ESP-01 offers a cost-effective and reliable wireless platform.
Applications
- Arduino Projects
- ESP32 Communication
- Raspberry Pi Projects
- IoT Development
- Smart Home Automation
- Wireless Sensor Networks
- Remote Monitoring
- Wi-Fi Data Logging
- Home Security Systems
- Industrial Automation
- Smart Agriculture
- Robotics
- DIY Electronics
- Embedded Systems
Key Features
- ESP8266 Wi-Fi SoC
- Compact ESP-01 Form Factor
- Built-in 2.4GHz Wi-Fi
- Low Power Consumption
- Supports TCP/IP Networking
- Station & Access Point Modes
- UART Serial Interface
- Compatible with Arduino IDE
- Easy Firmware Updates
- Ideal for IoT Applications
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Wi-Fi Module |
| Model | ESP8266 ESP-01 (Confirm ESP-01 or ESP-01S) |
| Wireless Standard | IEEE 802.11 b/g/n (2.4GHz) |
| Operating Voltage | 3.3V DC |
| Communication Interface | UART (Serial) |
| Wi-Fi Modes | Station (STA), Access Point (AP), STA+AP |
| GPIO Pins | 2 Available GPIOs (Typical ESP-01 configuration) |
Package Includes
1 × ESP8266 ESP-01 WiFi Module
Datasheet Summary
Visible Information
- ESP8266 Wi-Fi Module
- PCB Antenna
- UART Interface
- Compact Design
- GPIO Header
Datasheet Summary
- ESP8266 Wi-Fi Module
- PCB Antenna
- UART Interface
- Compact Design
- GPIO Header
How It Works
The ESP8266 ESP-01 connects to a 2.4GHz Wi-Fi network and communicates with external devices through its UART interface. It can operate as a standalone microcontroller or as a Wi-Fi adapter for another controller such as an Arduino. Once programmed, it can send and receive data over the internet, communicate with cloud platforms using HTTP or MQTT, host a web server, or remotely control connected devices.