NodeMCU V2 - ESP8266
The NodeMcu is an open-source firmware and development platform that helps you to prototype your IOT product with just a few lines of Lua script. The Arduino-like hardware IO with advanced API will dramatically reduce the redundant work for configuring and manipulating hardware. Basically you can code like Arduino, but interactively in Lua Script.
Specifications
- Input Voltage: 7 – 12V
- Operating Voltage: 3.3V
- CPU: 32-bit RISC Tensilica Xtensa LX106 running at 80 MHz
- 64 KB of instruction RAM, 96 KB of data RAM (80x Arduino UNO!)
- 512 KB of EEPROM (512x Arduino UNO!)
- External QSPI flash – 512 KB to 4 MB* (up to 16 MB is supported)
- IEEE 802.11 b/g/n Wi-Fi
- Integrated TR switch, balun, LNA, power amplifier and matching network
- WEP or WPA/WPA2 authentication, or open networks
- Digital I/O Pins (DIO): 16
- Analog Input Pins (ADC): 1
- UARTs: 1 on dedicated pins, plus a transmit-only UART can be enabled on GPIO2
- SPIs: 1
- I2Cs: 1
- Flash Memory: 4 MB
- SRAM: 64 KB
- Clock Speed: 80 Mhz
- 80 Mhz clock (5x arduino UNO or mega!)
- Current: 215mA
- Dimensions: 49 x 24.5 x 13mm
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