ESP8266 ESP-01 WiFi Module – Wireless Transceiver Adapter for IoT & Smart Devicesmodule

Description

Product Overview

The ESP-01 WiFi Module is a compact, powerful, and cost-effective solution for adding wireless connectivity to your projects. Based on the revolutionary ESP8266 chip from Espressif Systems , this module single-handedly transformed the IoT landscape by bringing full WiFi capabilities to microcontroller projects at an unprecedented price point .

Despite its tiny footprint of just 14.3mm × 24.8mm , the ESP-01 packs a complete 32-bit microcontroller with an integrated TCP/IP stack, allowing it to function either as a standalone application processor or as a WiFi add-on for other microcontrollers like Arduino . It supports 802.11 b/g/n wireless standards and can operate in STA (station), AP (access point), or STA+AP modes , providing exceptional flexibility for IoT applications .

The module is designed with a DIP-8 package , featuring a 2×4 pin header that makes it easy to mount on breadboards or integrate into custom PCBs . Its unique plug-in design allows for flexible deployment, particularly suitable for automated, large-scale, and low-cost modern manufacturing processes . Whether you are building smart home devices, industrial wireless controls, or wearable electronics, the ESP-01 provides a proven, reliable, and well-supported platform for your IoT innovations.

Key Features

• Integrated 32-bit Processor: Powered by the Tensilica L106 32-bit RISC processor, capable of running at up to 160MHz. It can function as a standalone microcontroller without the need for an external host .

• Complete WiFi Solution: Supports 802.11 b/g/n protocols at 2.4GHz, with built-in TR switch, balun, LNA, power amplifier, and matching network—all integrated into the module .

• Multiple Operating Modes: Supports Station (STA), Access Point (AP), and Station+AP (STA+AP) modes, allowing devices to connect to existing networks or create their own .

• DIP-8 Package & Compact Size: Features a 2×4 pin header in a DIP-8 configuration, measuring just 14.3mm × 24.8mm, making it breadboard-friendly and easy to integrate .

• Low Power Consumption: Supports various sleep modes with deep sleep standby current as low as 20µA and standby power consumption of less than 1.0mW (DTIM3) , ideal for battery-powered applications .

• High-Performance Output: Delivers up to +19.5dBm output power in 802.11b mode with a receiver sensitivity of -90dBm , ensuring reliable wireless communication .

• Rich Peripheral Interfaces: Provides UART, GPIO, I2C, I2S, PWM, and ADC interfaces for connecting sensors and actuators .

• Easy Programming: Supports the Arduino IDE , MicroPython, and AT command set for quick development. Over-the-air (OTA) firmware updates are also supported .

• Smart Configuration Support: Compatible with Smart Config and AirKiss one-click network configuration technologies, simplifying device onboarding .

• Wide Operating Temperature: Rated for operation from -20°C to +85°C , suitable for industrial and outdoor applications .

Technical Specifications