WeMoS D1 Mini ESP-8266 WiFi Module

WeMos D1-Mini WiFi Module / Development Board with Micro USB connector and Reset switch.

• Chip Part#: ESP-8266EX
• Supply Voltage: 3.3V
• CPU Type: L106 (32-bit RISC)
• CPU Frequency: 80MHz
• CPU Memory Size (Insn): 64KB
• CPU Memory Size (Data): 64KB
• Wireless Protocol: IEEE 802.11 (LWIP, AP, STA, AP+STA)
• Connectivity: USB, SPI, I²C, I²S, UART
• GPIO Ports: 11
• Dimensions: 34 x 25 x 5 mm
• More Information: ESP8266.net, Wikipedia
• Datasheet: ESP8266EX.pdf