ESP8266 WiFi Development Board

• Microcontroller: ESP8266 (Tensilica L106 32-bit).
• Operating Voltage: 3.3V.
• Input Voltage: 5V via USB.
• Clock Speed: 80 MHz (up to 160 MHz).
• Flash Memory: 4 MB.
• WiFi: 802.11 b/g/n.
• GPIO Pins: 9 (digital I/O).
• Analog Input: 1 (10-bit ADC).
• USB Connection: Micro USB.
• Uses: IoT projects, WiFi-enabled devices, home automation, web servers.