SparkFun USB to RS-485 Converter
SparkFun USB to RS-485 Converter is backordered and will ship as soon as it is back in stock.
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We deliver across Australia, and here are the options (based on your location; view them on the cart page):
- Standard Post: Starting at $7 (6+ business days, with tracking)
- Express Post: Starting at $11 (2+ business days, with tracking)
- Same Day Delivery: Available for Sydney orders.
- Non-metro WA, NT, SA, and TAS: May take an additional 2+ days.
SparkFun USB to RS-485 Converter
The SparkFun USB to RS-485 Converter pairs an SP3485 RS-485 transceiver with an FT232RL USB UART IC to convert USB data streams to RS-485. This is the latest revision with improvements over previous versions.
The SP3485 is a half-duplex transceiver capable of transmission speeds up to 10Mbps. With FTDI drivers installed, the FT232RL enumerates as a virtual COM port on Windows, Mac, and Linux systems.
Key Features
- SP3485 Transceiver – Half-duplex RS-485 with speeds up to 10Mbps
- FT232RL USB UART – Reliable USB-to-serial conversion with virtual COM port
- LED Indicators – TX, RX, and RTS status LEDs for easy debugging
- Common-Mode Input Range – -7V to +12V for robust signal handling
- Mini-B USB Connector – Standard USB connection to host computer
- Multiple Output Options – Three RS-485 output connection points (headers not populated)
- Compact Size – 22.9 × 39.4mm board dimensions
RS-485 Output Connections
The RS-485 output is broken out to three different connection options (none come populated):
- RJ-45 connector footprint
- 3-pin 3.5mm screw terminal footprint
- 3-pin 0.1" pitch header footprint
Ideal For
- Industrial automation and control systems
- Long-distance serial communication
- Multi-drop RS-485 networks
- Interfacing with RS-485 sensors and devices
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