This USB to serial module uses the original FT232RL chip to deliver speed, stable, and compatible USBtoserial communication Supports USB to R8485 communication for direct interfacing with R8485 based devices and modules On board TVS transient voltage suppression diode protects the circuit from voltage spikes and electrostatic discharge, improving reliability and longevity External three LED indicators provide clear visibility of power, transmit, and receive status for quick diagnostics Compact and robust design suitable for development, testing, and deployment in space constrained environments Practical applications and use scenarios Microcontroller development and debugging: connect to microcontrollers or embedded boards that require a USB serial interface to program and monitor behavior Data acquisition and PC communication: collect sensor or instrument data via USB serial link for live display or logging on a computer Embedded system prototyping with R8485 peripherals: integrate with R8485 based components during earlystage prototyping and testing to validate USB serial communication and signaling