Wi-Fi Core (ESP8266/ESP-12F)

Core Processor with WiFi



Product Description

This xChip forms part of the core modules and is equipped with WiFi.

The Wi-Fi module offers internet connectivity which allows the user to store data on the cloud which enables remote data access and opens up for the world of IoT.

XinaBox CW01 is certified to work with Microsoft Azure.

Product Highlights

  • 802.11 b/g/n 2.4 GHz WiFi
  • Based on ESP8266/ESP-12-F
  • 80 MHz processor
  • 4 MB SPI Memory
  • Arduino, Mongoose OS, NodeMCU and Lua compatible 
  • OTA capable through WiFi


  • Internet-of-Things sensing and control applications
  • Wireless sensing
  • Mobile Application Control


  • WiFi @ 2.4 GHz supports WPA / WPA2 security modes (non enterprise)
  • Complete TCP / IP protocol stack
  • On-board PCB antenna
  • Processor: L106 32-bit RISC microprocessor core based on the Tensilica Xtensa Diamond Standard 106Micro running at 80 MHz
  • 64 KB of instruction RAM, 96 KB of data RAM
  • External QSPI flash: 4 MB
  • 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


XinaBox Wi-Fi Core CW01 Datasheet 

Espressif ESP8266 Datasheet

ESP-12F Datasheet



If you are not getting this WiFi Core as part of the micro:bit IoT Kit  (XK05), and you are going to use it with a micro:bit, you need to update the firmware of this WiFi Core unit (CW01).  Please see instruction here.

To update the firmware, you need to connect the WiFi Core unit (CW01) through the USP Programming interface (IP01) to the computer.



See here for full details in English

See here for full detail in Chinese


XinaBox is pronounced as  X-in-a-Box!

The XinaBox range currently includes over 80 sensors, bridges, cores, interfaces and other types of peripherals, and it is growing all the time. These ‘xChips’ will help you to super-charge your BBC micro:bit:

Micro:bit ready:  see here for full details

 The connection - plug and play, no wire

Build simple and complex circuits quickly and easily. The modular system allows you to connect xChips like building blocks - anyone can build a circuit in seconds, with no need for soldering irons, breadboards or consumables. And when you are done, disassemble the circuit and start again! It takes seconds when you know how.




HK$ 170.00