ESP8266 Internet of Things Development Board with PCB Antenna (CH340)

Detail about ESP8266 Internet of Things Development Board with PCB Antenna (CH340)

Features

- Open-source platform
- Interactive & Programmable
- WiFi enabled
- Arduino-like Hardware IO
- Nodejs style network API
- ESP8266, a low cost WiFi module on-board (FCC Certified)
- On-board USB-TTL converter, plug & play
- Headers ñ 2.54mm 15-pin header with access to GPIOs, SPI, UART, ADC, and power pins

Specifications

- Input Voltage: 7 ñ 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 ñ 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!)