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Compact ABS-cased USB serial converter board with RS232 and RS485 ports, DIP switches and three status LEDs

LORDWORLD

LORDWORLD USB RS232 RS485 Serial Converter FT232RNL development board

SKU CH-264G-GRQXT

Converts USB to RS232 or RS485 serial using an original FT232RNL chip with TVS surge protection, self-recovery fuse, switchable 120R termination and status LEDs in a compact ABS case

  • Original FT232RNL chip for fast, stable serial communication
  • Onboard TVS protection suppresses surge and transient spike voltage
  • Self-recovery fuse with protection diodes guards against over-current and over-voltage
  • Switchable RS232/RS485 modes with 120R terminal resistor control
  • ABS case with three status LEDs for power and transceiver indication

USB RS232 RS485 converter for developers

This LORDWORLD development board converts a USB port to both RS232 and RS485 serial interfaces using an original FT232RNL chip. It targets engineers and hobbyists who need reliable serial communication with industrial equipment, legacy hardware or microcontroller projects across Windows, Mac, Linux and Android platforms.

ABS case with TVS protection and selectable

The board is housed in a compact ABS enclosure that shields the electronics during bench or field use. Onboard transient voltage suppression, a self-recovery fuse and protection diodes guard against surges and electrostatic discharge. A hardware switch selects between RS232 and RS485 modes while a second switch enables or disables the 120R termination resistor on the RS485 line. Three status LEDs show power, transmit and receive activity at a glance.

Replaces bare USB-to-serial cables lacking isolation

The integrated protection circuitry and selectable termination make this adapter suited for noisy industrial environments where simple cables fail. It upgrades setups that previously required separate converters for RS232 and RS485 by combining both in one switched device. The jump is worth it when you need robust, switchable serial links without building custom breakout boards.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $31.99
Cheaper than about 68% of the 1,420 comparable items (median $44.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

What USB standard does the FT232RNL converter use, and what practical speed limit does that impose?

The board uses a USB 2.0 full-speed link, so the serial throughput caps at 12 Mb/s even though the RS-232/485 side can run faster.

What mounting provision does the ABS case include for panel or DIN-rail installation?

The enclosure has integrated screw flanges with 3 mm clearance holes for direct surface mounting.

How do you configure the board for RS-485 with the 120 Ω termination resistor active?

Slide the protocol switch to the 485 position and move the termination switch to ON; the RX/TX LEDs will confirm traffic once the USB driver loads.

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