Arduino D1 Mini V2 Mini NodeMCU Development Board
Specifications:
- Microcontroller: ESP8266
- Operating Voltage: 3.3V
- Digital I/O Pins: 11
- Analog Input Pins: 1 (3.2V max input)
- Flash Memory: 4 MB
- Clock Speed: 80 MHz
- WiFi: 802.11 b/g/n
- Dimensions: 34.2mm x 25.6mm
- Lua scripting support