NodeMCU V1.0 / V2 / 2nd Gen. with ESP-12F ESP8266 WiFi (Official)

NodeMCU V1.0 / V2 / 2nd Gen. with ESP-12F ESP8266 WiFi (Official)Bring your IoT projects to life with the NodeMCU! Featuring the ESP 12F ESP8266 Module, your project can be connected and controlled via the internet! The NodeMCU can be programmed using the Arduino IDE as well! This is the official NodeMCU by Ai Thinker and Amica. Microcontroller: Tensilica 32 bit RISC CPU Xtensa LX106 (ESP8266, ESP 12F) Operating Voltage: 3. 3V Input Voltage: 7V to 12V Digital I O Pins (DIO): 16 Analog Input Pins (ADC): 1 UARTs: 1

Bring your IoT projects to life with the NodeMCU! Featuring the ESP-12F ESP8266 Module, your project can be connected and controlled via the internet! The NodeMCU can be programmed using the Arduino IDE as well!

This is the official NodeMCU by Ai-Thinker and Amica.

Microcontroller: Tensilica 32-bit RISC CPU Xtensa LX106 (ESP8266, ESP-12F)
Operating Voltage: 3.3V
Input Voltage: 7V to 12V
Digital I/O Pins (DIO): 16
Analog Input Pins (ADC): 1
UARTs: 1
SPIs: 1
I2Cs: 1
Flash Memory: 4 MB
SRAM: 64 kB
Clock Speed: 80 Mhz
Wi-Fi: IEEE 802.11 b/g/n
Dimensions: 48.5 x 25.5 x 12mm
Weight: 8g

Quickstart Tutorial: https://www.instructables.com/id/Quick-Start-to-Nodemcu-ESP8266-on-Arduino-IDE/

More info: https://nodemcu.readthedocs.io/en/master/

For comparison of NodeMCU versions: https://frightanic.com/iot/comparison-of-esp8266-nodemcu-development-boards/