Compact WiFi development board based on ESP8266EX with 4MB flash memory, 11 digital I/O pins, and 1 analog input. Perfect for IoT projects and prototyping.

Microcontroller: ESP8266EX Operating Voltage: 3.3V Digital I/O Pins: 11 Analog Input Pins: 1 (3.3V max input) Connectivity: 802.11 b/g/n Wi-Fi Flash Memory: 4MB (4M Bytes) USB Interface: Micro USB Dimensions: 34mm x 25mm Programming: Arduino IDE or Lua Script Protocols: SPI, I2C, UART, PWM, one-wire (except D0)

