ESP8266 ESP-01 WiFi Wireless Tranceiver Module 1MB Flash

• These modules include 1MB (8Mbit) of flash memory, twice the size of the older blue colored ESP-01 module
  
• The ESP8266 Serial/UART to Wi-Fi module is a great way to connect your Arduino or other microcontroller projects to a Wi-Fi 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
  
  • Check out our ESP8266 breadboard adapter to use your ESP8266 module with a breadboard
    
• The ESP8266 has 3.6V tolerant I/Os so you will need a logic level converter to connect it with higher voltage devices such as Arduino
  
• The ESP8266 requires 3.3V power so you may need a 3.3V voltage regulator to provide the correct voltage, depending on your setup

Specifications

• 802.11 b/g/n
  
• Serial/UART baud rate: 115200 bps
  
• Integrated TCP/IP protocol stack
  
• Input power: 3.3V (see "Recommended Accessories" below for 3.3V power options)
  
• I/O voltage tolerance: 3.6V Max (see "Recommended
• Accessories" below for level converters to connect to higher voltage devices (i.e. Arduino) )
  
• 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")

Resources

• ESP8266 Datasheet
  
• ESP8266 Technical Reference
  
• ESP8266 AT Instruction Set
  
• ESP8266 AT Command Examples
  
• Great information and support community 
  
• Kolban’s book on the ESP8266 
  
• ESP8266 Weather Display Tutorial (from Zeflo)
  
• ESP8266 with Raspberry Pi (by Razvan Dubau)

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