The NodeMCU V2 is an open-source networking module based on the ESP8266 (ESP-12E).It is a complete, self-contained WiFi solution that can either host an application or offload all WiFi networking functions from another application processor. Unlike the “V3/Lolin” version, this V2 Amica design is narrower, meaning it leaves one row of holes free on both sides of a breadboard—making prototyping much easier for students.
Key Features
Breadboard Friendly: Slim design (Amica version) allows easy access to pins while plugged into a breadboard.
Plug & Play: Features the high-quality CP2102 USB-to-UART bridge for stable driver installation and fast code uploading.
Integrated WiFi: 2.4GHz WiFi support (802.11 b/g/n) with an integrated PCB antenna.
Multiple Languages: Program it using the Arduino IDE, Lua, MicroPython, or ESP-IDF.
Onboard Logic: Includes 10 GPIOs, PWM, I2C, SPI, and 1 Analog Input (ADC).
Technical Specifications
Feature
Specification
Microcontroller
Tensilica 32-bit RISC CPU (ESP8266)
Clock Speed
80MHz (Overclockable to 160MHz)
Flash Memory
4 MB
USB Chip
CP2102 (Superior to CH340)
Operating Voltage
3.3V (5V Input via Micro-USB)
Current Consumption
~70mA (Peak: 200mA during WiFi)
Dimensions
48mm x 25mm
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