Power Input: 4.5V ~ 9V (10VMAX), USB-powered
Transfer Rate: 110-460800bps
Support UART / GPIO data communication interface
Support Smart Link Smart Networking
Working temperature: -40°C ~ 125°C
Drive Type: Dual high-power H-bridge
Don’t need to download resetting
A great set of tools to develop ESP8266
Flash size: 4MByte
Lowest cost WI-FI
It features reserved land-pattern for the 3.3V regulator
It has Pinouts on the top layer in black colour.
Compatible with Latest ESP-12F ESP8266 Wifi Module
It includes a 10K pull-up resistor populated on PCB.
Microcontroller: ESP8266EX
Operating Voltage: 3.3V
Digital I/O Pins: 11 (all I/O pins have interrupt/PWM/I2C/one-wire capability, except for D0)
Analog Input Pins: 1
Flash Memory: 4MB
6. On-Board Switching Power Supply:
Input Voltage Range: 9V to 12V
Output: 5V at 1A Max
The smallest 802.11b/g/n Wi-Fi SOC module
Up to 160MHz clock speed
Built-in 10 bit high precision ADC
UART baud rate up to 4Mbps
Low power 32-bit CPU, can also serve as the application processor