The ESP-12E is an enhanced version of the popular ESP8266 WiFi module, offering improved impedance matching, better signal output, and stronger anti-jamming performance. It provides a complete WiFi networking solution via a simple serial (UART) interface, making it easy to add WiFi to any microcontroller project.

Based on the ESP8266EX chipset, the ESP-12E features a built-in PCB antenna, 4MB flash memory, and exposes additional GPIO and SPI pins compared to the original ESP-12. It's fully compatible with existing ESP-12 firmware and pinouts, with extra I/O for more complex applications.

Key Features

• ESP8266EX Chipset – 802.11 b/g/n WiFi with integrated TCP/IP stack
• Enhanced Design – Improved signal quality and interference resistance over ESP-12
• Built-in PCB Antenna – No external antenna required
• Serial UART Interface – Simple AT command or custom firmware control
• Additional GPIO – Six extra I/O pins and SPI breakout compared to ESP-12
• 4MB Flash – Room for custom firmware including NodeMCU and Arduino
• Backward Compatible – Drop-in replacement for ESP-12 projects

Specifications

• WiFi Standard – 802.11 b/g/n
• Frequency – 2.4 GHz
• Operating Voltage – 3.3V
• Flash Memory – 4MB
• Interface – UART (serial), GPIO, SPI, I2C, PWM

Ideal For

• Adding WiFi connectivity to Arduino and microcontroller projects
• IoT sensor nodes and data loggers
• Standalone WiFi applications with custom firmware
• Home automation and remote control projects

Package Contents

• 1× ESP8266 ESP-12E WiFi Module