ESP 8266-12E WiFi Serial Transceiver Module(ESP12e)- IOT001

Description:

Compact ESP8266-12E WiFi module with UART, SPI, I²C, deep sleep support and integrated antenna — ideal for IoT, smart home & embedded projects.

The ESP8266-12E WiFi Serial Transceiver Module (ESP-12E) is a powerful and economical module built around the ESP8266EX chip. It features built-in WiFi (802.11 b/g/n), UART interface, GPIO pins, SPI, I²C and a 10-bit ADC, making it ideal for embedded IoT and smart home applications. The module is widely used in DIY, hobbyist, and professional IoT projects.

With support for deep sleep (ultra-low power mode), the ESP-12E enables battery-powered or energy-efficient designs. It’s ideal for wireless sensors, smart switches, telemetry, data logging, and many more embedded projects.

Specifications:

Chipset / MCU	ESP8266EX (Tensilica L106)
WiFi Standard	IEEE 802.11 b/g/n (2.4 GHz)
Supply Voltage	3.0 – 3.6 V (nominal 3.3 V)
Flash Memory	Typically 4 MB (varies by module)
CPU Clock	80 MHz (typical) — can go up to 160 MHz in many variants
GPIO / Interfaces	UART, SPI, I²C (software), GPIO pins, 10-bit ADC (one channel)
Current Consumption	Typical active current ~70–80 mA; peaks when WiFi transmitting.
Deep Sleep Current	Very low (µA level) in deep sleep mode
Operating Temperature	–40 °C to +125 °C
Module Size	~16 × 24 mm (depending on PCB variant)

Features:

• Supports APSD for optimal VoIP applications
• Patented spurious noise cancellation algorithm for integration in SOC applications
• Supports Bluetooth co-existence interface
• Self-calibrated RF to ensure optimal performance under all operating conditions
• Zero factory tuning
• No external RF components

Compatibility & Use Cases:

This module can be used as a standalone WiFi-enabled microcontroller or as a wireless interface for other microcontrollers (e.g. Arduino, STM32). Common use cases:

• IoT sensors, smart home devices
• Remote telemetry, data logging
• Wireless control & automation
• WiFi-enabled embedded systems
• Prototyping in Arduino / ESPHome / MicroPython envs

It can be flashed via UART (using FTDI / USB-to-serial) and supports OTA firmware updates in many setups.

Package Included:

• 1 x ESP8266-12E WiFi Serial Transceiver Module