The WF121 is a stand-alone Wi-Fi module with fully integrated 2.4GHz 802.11 b/g/n radio, TCP/IP stack and 32-bit microcontroller for applications that require a fast, simple and cost-saving wireless IP connection. Furthermore, the WF121 offers numerous interfaces such as SPI, I2C, ADC and GPIO to directly connect various peripherals. With the help of the Blugiga BGScript programming language and the free development tools, users can also place their own ideas on the 32-bit MCU.