USB MultiComms part one – USB Board

Brian Dorey has been working on a USB communications box project: Several of the projects we have been working on recently needed some form of serial communication with our PC, either through RS232, UART, I2C or SPI and at the moment we use a handful of different USB to serial adapters designed for each different protocol.  One […]

USB to serial adapter in DB9 footprint

There aren’t many simple ways to add a USB interface to a project using only through-hole parts. This USB-serial adapter from FTDI has the same shape and pinout as a through-hole serial connector. It’s a little pricey (~$22), a USB->serial cable is usually cheaper, but it’s a nice option for a professional-looking USB device without […]