The ESP-12E is an enhanced version of the ESP8266 series, featuring a metallic shield for improved EMI (electromagnetic interference) resistance and a redesigned PCB antenna for better signal range.With 4MB of Flash memory and access to multiple GPIOs, it is the core component for developers building standalone IoT applications, remote-controlled robotics, and cloud-connected sensors.It supports the full TCP/IP stack and can act as either a Wi-Fi Station (Client) or a Soft Access Point.
Key Features
Metallic Shielding: Provides superior stability and interference protection for industrial-grade projects.
Expanded GPIOs: Unlike the ESP-01, the 12E breaks out 11 GPIO pins, plus 1 ADC (Analog-to-Digital) input.
Large Flash Memory: 4MB (32Mbit) onboard Flash allows for complex code, OTA (Over-the-Air) updates, and file storage.
Low Power Consumption: Features a dedicated Deep Sleep mode, drawing only ~20uA—perfect for battery-powered sensors.
High Compatibility: Programmable via Arduino IDE, NodeMCU (Lua), MicroPython, and ESP-IDF.
Technical Specifications
Feature
Specification
Microcontroller
ESP8266EX (32-bit)
Operating Voltage
3.0V to 3.6V (3.3V Recommended)
Flash Memory
4 MB (32 Mbit)
Clock Speed
80 MHz (Overclockable to 160 MHz)
Wi-Fi Mode
Station / SoftAP / SoftAP + Station
GPIO Count
11 Pins + 1 ADC (10-bit)
Certification
FCC / CE / TELEC
Dimensions
24mm x 16mm
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