This article is about building an “USB to Fohhn-Net Converter” for Fohhn Audio devices for 2 € (instead of paying hundreds of Euros for the Fohhn NA-11 converter). Fohhn Net is based on RS-485, which is a simple standard for data transmission. So all you need is a USB to RS-485 interface – and a… Continue reading DIY Fohhn-Net NA-11 Converter Alternative