Description of ESP8266 Serial WiFi Expansion Board For Arduino The ESP8266 Serial WiFi Expansion Board Module, also known as the ESP-12E UART Wireless WiFi Shield TTL Converter, provides a simple way to connect Arduino boards to WiFi networks. Unlike traditional setups that require multiple components and wiring, this module can be directly attached to an Arduino. By configuring the DIP switch paths according to the shield’s operating mode, the Arduino can be easily programmed to access WiFi. Additionally, the module can be used independently without an Arduino, since all ESP-12E pin-outs are available for direct access, making it versatile for both beginner and advanced projects. Key Features Processor operates at 80MHz / 160MHz. 64kB instruction memory and 96kB data memory. Supports standard WiFi 802.11 b/g/n protocols. Operates in AP, Station, or AP Station modes. Includes 11 digital pins and 1 analog pin with 10-bit resolution. All digital pins (except D0) support interrupts, PWM, I²C, and One-Wire communication. Programmable via USB or Over-The-Air (OTA). Fully compatible with Arduino IDE. Works with a wide range of Arduino-compatible modules and sensors. Technical Specification Parameter Details Model Type Other Boards Model Name ESP8266 Serial WiFi Expansion Board Module for Arduino Chipset ESP8266 ESP-12E Architecture 32-Bit Flash Memory 32 MB Operating Frequency 80 / 160 MHz WiFi Standard IEEE 802.11 b/g/n Operating Modes AP / Station / AP Station Digital Pins 11 Analog Pins 1 (10-bit resolution) Programming USB or OTA (Over-The-Air) Compatibility Arduino IDE, modules & sensors Shipping Weight ~0.25 kg Dimensions 6.8 × 5.53 mm Applications IoT projects and home automation Wireless data transmission Remote monitoring and control Arduino-based WiFi-enabled projects DIY electronics and prototyping Packaging Details 1 × ESP8266 Serial WiFi Expansion Board for Arduino ESP8266 Serial WiFi Expansion Board for Arduino - Frequently Asked Questions What is the ESP8266 Serial WiFi Expansion Board Module used for? This module allows Arduino boards to connect to WiFi networks easily, without complex wiring. It can also be used as a standalone WiFi-enabled microcontroller for IoT and automation projects. Can the ESP8266 Expansion Board be used without an Arduino? Yes, the module includes all ESP-12E pin-outs, which means it can work independently as a standalone ESP8266 WiFi development board. Which WiFi standards does it support? The board supports IEEE 802.11 b/g/n, making it compatible with most modern WiFi networks. What are the operating modes of the ESP8266 WiFi Shield? It can operate in Access Point (AP), Station (STA), or AP Station mode. How many pins are available? The module provides 11 digital pins and 1 analog pin (10-bit resolution). Digital pins, except D0, support interrupts, PWM, I²C, and One-Wire communication. How is the ESP8266 Expansion Board programmed? It can be programmed via USB connection or through OTA (Over-The-Air) updates. It is fully compatible with the Arduino IDE. What is the processor speed? The ESP8266 can operate at 80 MHz or 160 MHz, depending on configuration. Does this board have built-in memory? Yes, it includes 32 MB flash memory, 64kB for instructions, and 96kB for data. What are common applications for this WiFi module? It is widely used for IoT devices, home automation, remote monitoring, WiFi-enabled Arduino projects, and DIY electronics prototyping. What is included in the package? The package contains: 1 × ESP8266 Serial WiFi Expansion Board for Arduino Attention Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please don't hesitate to contact us to determine if further action is required. Need Help? Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 06:00 pm (7 days a week). You can also reach us via WhatsApp or Facebook Inbox
