ESP8266 V2

NODEMCU ESP8266 V2 development board, a popular device in Internet of Things, works on connecting projects to the internet. It can be used as a standalone controller or connected to Arduino. Additional information Specifications (NODEMCU ESP8266 V2 development board): Controller: ESP-8266 32-bit Operating voltage: 3.3 volts Input voltage: 4.5 – 10 volts Number of digital ports: 16 Number of analog ports: 1 UART port SPI port I2C port Flash memory: 4 KB SRAM: 64 KB Clock speed: 80 MHz Wifi: IEEE 802.11 b/g/n The package contains ESP8266 V2 and a Micro USB cable.