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The integrated electronics of these connective peripheral adapters use the FTDI FT4232H, FT2232H, or FT232H, and include RS232, RS485, or RS422 level shifters, plus TXD/RXD LEDs to provide a visual indication of data traffic through each module.
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The board is covered by high quality transparent heat-shrink sleeve, making the PCB insulated.
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USB 2.0 (1.1 compatible) This cable uses the highly regarded FTDI FT232RL chip which works with all current versions of Windows, MacOS, Android and Linux. A premium grade USB to RS232 adapter with DB9 male connector.
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Overview USB TO RS232/485 is a USB to RS232/485 non-isolated serial port converter, featuring the original FT232RNL for improved stability and compatibility. It comes with a built-in self-recovering fuse, TVS protection circuit, etc. USB TO RS232/485 offers simple operation, zero-delay automatic transmission and reception conversion, and boasts characteristics such as fast, stable, reliable, and safe communication. Features --Onboard Original FT232RNL chip. Fast communication, stable and reliable, better compatibility. --Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic.
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USB to RS232 TTL Upgrade PL2303HX Converter. The USB to RS232 module based TTL provides the best and convenient way to connect your RS232 TTL Devices or demo board to your PC via the USB port. 500mA automatic reset fuse for protection.
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eBay