Category Archives: Arduino

SPI to 4 x UART Bridge MULTIUART Project


The SPI2UART or MULTIUART open source project is designed to provide additional serial ports for communications with multiple embedded modules such as mobile phone network (GSM), Bluetooth, Wifi etc.

A full build guide is now available via instructables at the link below.

A number of boards are currently available on sale via eBay.




An Arduino library and Flowcode component are now available to help driver the board.