ESP8266 Serial Wifi Wireless Transceiver Module

ESP8266 Serial Wifi Wireless Transceiver Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network.
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Product Code
TR274
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ESP8266 is a low-cost Wi-Fi chip with full TCP/IP stack and MCU (Micro Controller Unit) capability produced by Shanghai-based Chinese manufacturer, Espressif System

ESP8266 Serial Wifi Wireless Transceiver Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. ESP8266 Serial Wifi Wireless Transceiver Module is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP8266 module is an extremely cost effective board with a huge, and ever growing, community.

ESP8266 Serial Wifi Wireless Transceiver Module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, including the front-end module, is designed to occupy minimal PCB area. The ESP8266 supports APSD for VoIP applications and Bluetooth co-existance interfaces, it contains a self-calibrated RF allowing it to work under all operating conditions, and requires no external RF parts.

The first series of modules made with the ESP8266 by the third-party manufacturer AI-Thinker and remain the most widely available.They are collectively referred to as "ESP-xx modules". 

NameActive pinsPitchForm factorLEDsAntennaShielded?dimensions (mm)Notes
ESP-01 6 0.1" 2×4 DIL Yes PCB trace No 14.3 × 24.8
ESP-02 6 0.1" 2×4 castellated No U-FL connector No 14.2 × 14.2
ESP-03 10 2 mm 2×7 castellated No Ceramic No 17.3 × 12.1
ESP-04 10 2 mm 2×4 castellated No None No 14.7 × 12.1
ESP-05 3 0.1" 1×5 SIL No U-FL connector No 14.2 × 14.2
ESP-06 11 misc 4×3 dice No None Yes 14.2 × 14.7 Not FCC approved
ESP-07 14 2 mm 2×8 pinhole Yes Ceramic + U-FL connector Yes 20.0 × 16.0 Not FCC approved
ESP-08 10 2 mm 2×7 castellated No None Yes 17.0 × 16.0 Not FCC approved
ESP-09 10 misc 4×3 dice No None No 10.0 × 10.0
ESP-10 3 2 mm? 1×5 castellated No None No 14.2 × 10.0
ESP-11 6 0.05" 1×8 pinhole No Ceramic No 17.3 × 12.1
ESP-12 14 2 mm 2×8 castellated Yes PCB trace Yes 24.0 × 16.0 FCC and CE approved[14]
ESP-12E 20 2 mm 2×8 castellated Yes PCB trace Yes 24.0 × 16.0 4 MB Flash
ESP-12F 20 2 mm 2×8 castellated Yes PCB trace Yes 24.0 × 16.0 FCC and CE approved. Improved antenna performance. 4 MB Flash
ESP-13 16 1.5 mm 2×9 castellated No PCB trace Yes W18.0 x L20.0 Marked as ″FCC″. Shielded module is placed sideways, as compared to the ESP-12 modules.
ESP-14 22 2 mm 2×8 castellated +6 No PCB trace Yes 24.3 x 16.2
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