NodeMCU ESP8266 D1 R2 WiFi UNO Based Development Board
Specifications:
- Microcontroller: ESP8266
- Operating Voltage: 3.3V
- Digital I/O Pins: 11
- Analog Input Pins: 1 (Max input: 3.2V)
- Clock Speed: 80MHz/160MHz
- Flash Memory: 4MB
- WiFi: 802.11 b/g/n
- USB-TTL Converter: CH340G
- Compatibility: Arduino IDE, NodeMCU, Lua, MicroPython
- Dimensions: 70mm x 54mm
- Weight: 30g