speed, stable serial communication: Built around the FT232RNL chip to provide fast data transfer with reliable performance across a range of devices for seamless serial connectivity. Robust protection mechanisms: Includes a transient voltage suppression tube and a selfrecovery fuse to safeguard against electrical surges and overcurrent conditions. Easy mode switching: An onboard RS232/485 switching circuit lets you effortlessly toggle between communication modes to meet different project requirements. Userfriendly LED status lights: Three external LEDs offer realtime updates on power and signal transmission, aiding monitoring and operation. Key specifications and features Chip: FT232RNL Protection: Transient voltage suppression tube; selfrecovery fuse Mode support: RS232 and RS485 via onboard switch Indicators: Three external LEDs for power and data status Applications and use scenarios Development and testing: Connect PCs, microcontrollers, or embedded boards to RS232 or RS485 serial devices during prototyping and debugging. Industrial and automation setups: Interface with PLCs, sensors, or other field equipment that utilize RS485 networks, with quick mode switching to suit the device requirements. Legacy equipment access: Bridge legacy RS232 serial devices to modern hosts, enabling data capture and control without changing existing hardware.