We use the following components: An FTDI FT232L provides the USB-UART interface and can be configured for RS485 operation. An Analog Devices ADM2582E isolates the RS485 bus and generates the supply ...
This breakout board pairs an SP3485 RS-485 transceiver with an FT232RL USB UART IC to convert a USB stream to RS-485. The hardware is released under Creative Commons ShareAlike 4.0 International.