PL2303HX USB to TTL RS232 Serial Port Adapter Cable Module

Tk. 250

PL2303HX USB to TTL RS232 Serial Port Adapter Cable Module Product Description & Technical Datasheet 1. Product Overview The PL2303HX USB to TTL Serial Converter Module provides an easy and reliable solution for connecting serial TTL devices to a computer via a USB port. It is ideal for microcontrollers, router flashing, STB firmware upgrades, and DIY electronic projects. 2. Pin Configuration & Wire Coding Wire Color Pin Name Description Red +5V Power Output Black GND Ground White TXD Transmit Data Green RXD Receive Data 3. Wiring & Connection Guide  Standard 3-Wire Connection: RXD → TXD, TXD → RXD, GND → GND. (Connecting VCC is usually unnecessary for basic communication).  Rule of Thumb: If data communication fails or does not respond, try swapping the RX and TX wires. 4. Important Safety Instructions & Precautions 1. Identify Pins Carefully: Always double-check your target device’s pin definitions before making connections. 2. Avoid Voltage Spikes: Never connect the GND, RXD, or TXD lines directly to high voltage lines or VCC pins. High voltage (some VCC lines carry up to 14V) will permanently damage/burn the PL2303HX chip. 3. Pre-Test Before Use: Before connecting to a project board, plug the module into a PC to verify hardware detection (Found New Hardware), and test voltages across RX/TX with a multimeter. 5. Technical Prerequisites & Terms  Basic Electronics Knowledge Required: Buyers should have a fundamental understanding of RX, TX, GND,