ESP-01 ESP8266 Module

Overview

The ESP-01 ESP8266 Module is a compact and powerful Wi-Fi solution that adds wireless connectivity to your electronics projects with ease. Powered by the popular ESP8266 SoC, this module enables devices to connect to the internet or local networks, making it ideal for IoT, home automation, and remote monitoring applications.

Despite its small size, the ESP-01 delivers reliable 2.4 GHz Wi-Fi performance and supports AT commands or custom firmware, allowing it to operate as a standalone Wi-Fi device or as a network interface for microcontrollers such as Arduino.

Key Features

• Based on ESP8266 Wi-Fi chipset

• Supports 2.4 GHz 802.11 b/g/n

• Compact ESP-01 form factor

• Operates as station, access point, or both

• Supports AT firmware and custom programming

• Low power consumption for IoT projects

Technical Specifications

• Operating voltage: 3.3V DC

• Flash memory: 1MB (varies by version)

• GPIO pins: 2 programmable GPIOs

• Communication: UART (TX/RX)

• Antenna: Onboard PCB antenna

• Operating temperature: −40°C to +125°C

Typical Applications

• Internet of Things (IoT) devices

• Smart home automation

• Wireless sensor networks

• Remote data logging

• Wi-Fi controlled switches and relays

• DIY and educational electronics projects

The ESP-01 ESP8266 Wi-Fi Module is a cost-effective and versatile choice for adding wireless connectivity to embedded systems, prototypes, and smart devices. Compact in size yet powerful in performance, it remains a favorite among makers and developers worldwide.