Product Review

Description:
- These modules include 1MB (8Mbit) of flash memory, twice the size of the older blue colored ESP-01 module
- The ESP8266 Serial/UART to WiFi module is a great way to connect your Arduino or other microcontroller projects to a WiFi network
- Create your next internet of things (IOT) project with affordable network connectivity by implementing this module into your design
- The module has the ability to run independent of a host controller
- The eight pin header includes two GPIO pins that allow for direct connection of the module to sensors, peripherals, or host controller

Product Contents:
- 2 ESP8266 ESP-01 WiFi Tranceiver Modules (version V090) with baud rate set at 115200 bps
- 1 piece pink anti-static foam protecting pins of modules
- 1 Addicore ESP8266 info card (includes pinout diagram)
- 1 4mil thick reclosable clear plastic bag

Specifications:
- 802.11 b/g/n
- Serial/UART baud rate: 115200 bps
- Integrated TCP/IP protocol stack
- Input power: 3.3V
- I/O voltage tolerance: 3.6V Max
- Regular operation current draw: ~70mA
- Peak operating current draw: ~300mA
- Power down leakage current: <10µA
- +19.5dBm output in 802.11b mode
- Flash Memory Size: 1MB (8Mbit)
- WiFi security modes: WPA, WPA2
- Module's dimensions: 24.75mm x 14.5mm (0.974" x 0.571")