[André Sarmento] needed to connect a computer to an RS-485 bus. A simple converter can be sourced online, but the only thing he could find locally that was even close was a USB to RS-232 ...

Linear Technology's LTC2872 is a multiprotocol 20-Mbit/s RS232 and 500-Kbit/s RS485 transceiver with switchable integrated termination for 3.3-V and 5-V systems.

“By incorporating RS485 connectivity, the Arduino Uno SPE Shield becomes a tool for upgrading RS485 legacy systems or integrating modern technologies with current infrastructures, creating a bridge ...

Robust Dual RS232/RS485 Multiprotocol Transceiver June 6, 2012 Linear Technology Corporation introduces the LTC2872 multiprotocol transceiver with switchable integrated termination for 3.3V and 5V ...