... RS232. Best Embedded WiFi Module. Wifi module to Serial RS232 Converter (Embedded WiFi Module)Product DescriptionThe converter(WIFI ... use , Stable and reliable. Onboard wifi module: Product Features: Built-in UART to turn ... WIFI core module, Support hardware flow control (RTS / CTS ... the Ready Link, RXD the TXDImportant core module pins 2.54 pitch double pin leadsThe DC3 ...