ESP-12E WiFi Module Based on ESP8266 – KSH 700 at HIMASTORES Mombasa – best electronics in Kenya
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ESP-12E WiFi Module Based on ESP8266

SKU: HMJ710 Category: Microcontrollers
KSH 700.00
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Product Description

ESP-12E WiFi Module Based on ESP8266

Enhanced SMD Module with PCB Antenna and More I/O

The ESP12E is an enhanced version of the popular ESP8266 WiFi module, designed as a complete and costeffective solution for adding wireless connectivity to IoT projects[citation:1][citation:4]. It integrates the ESP8266EX chip with a PCB antenna, 4MB flash memory, and exposes additional GPIO pins for more complex applications[citation:4].

Powerful WiFi SoC Based on Tensilica L106 32bit MCU running at up to 160MHz[citation:1][citation:5]
Enhanced I/O Capability Offers extra GPIO and SPI pins compared to the original ESP12[citation:4]
Operating voltage: 3.0V to 3.6V. I/O pins are 3.3V logic[citation:1][citation:5].
The module includes a built-in PCB antenna; no external antenna is required[citation:1][citation:4].
The default firmware uses AT commands for easy integration with other microcontrollers[citation:1][citation:4].
Apply 5V logic directly to GPIO pins will permanently damage the module.

Technical Specifications

ParameterValue
:-:-
Core ProcessorESP8266EX (Tensilica L106 32-bit)
Clock Speed80MHz / 160MHz[citation:1]
Flash Memory4MB[citation:3][citation:4]
RAM (Available)50KB[citation:5]
Wi-Fi Protocol802.11 b/g/n[citation:1][citation:2]
Frequency2.4GHz ISM band[citation:2]
AntennaOnboard PCB antenna[citation:1][citation:2]
InterfacesUART, SPI, I2C, PWM, ADC, GPIO[citation:1][citation:2]
SMD Package22-pin SMD, 24x16mm[citation:1][citation:2]

= Key Features =

+Complete WiFi Solution Integrated MAC/BB/RF/PA/LNA and TCP/IP stack[citation:1][citation:5]

+Deep Sleep Mode Low 20µA sleep current for batterypowered projects[citation:1][citation:5]

+AT Command Support - Quick integration with standard commands for network control[citation:1][citation:4]

Versatile Operation Modes - Supports STA, AP, and STAAP modes[citation:1]

+Smart Config Technology Supports Android/iOS Smart Config and WeChat AirKiss oneclick configuration[citation:1]

+Extra GPIO Pins Enhanced I/O compared to ESP12[citation:4]

= Applications =

  1. Internet of Things (IoT) and smart home automation[citation:4][citation:6]
  2. Wireless sensor networks and data loggers[citation:4][citation:5]
  3. Industrial wireless control and home appliances[citation:5][citation:6]
  4. Standalone WiFi applications with custom firmware[citation:4]
Mature and Supported Platform - Extensive development ecosystem including Arduino, PlatformIO, and NodeMCU[citation:3][citation:4]
Versatile Interface - I2C, UART, SPI, and multiple GPIO pins for flexible project designs[citation:1][citation:2]

√ Compatible with standard ESP8266 development tools and libraries[citation:3][citation:4]

√ Available in a compact SMD-22 package[citation:2]

√ Pre-flashed with AT firmware for immediate use[citation:1]

Troubleshooting

Module not responding to AT commands:

  • Verify 3.0-3.6V power supply with at least 300mA current capacity.
  • Check CH_PD (EN) pin is pulled HIGH.
  • Confirm RX/TX connections are not swapped.
  • Ensure GPIO0 is HIGH for normal operation (LOW for flashing mode).

Wi-Fi connection issues:

  • Connect to 2.4GHz network only (5GHz not supported).
  • Check antenna connection and signal strength.
  • Verify SSID and password in AT commands.