COMPATIBILITY: Nitomtyu 6 feet USB to TTL-232r-3v3 6 Pin serial converter cable with 3.3V logic level , perfect for programming and debugging microcontrollers and development boards. VOLTAGE SPECIFICATION: Operates at 3.3V logic level (signal 3.3V, VCC 5.0v), making it ideal for modern low-voltage serial devices and microcontrollers PINOUTS: GND (Black/1), CTS (Brown/2), VCC(Red/3), TXD (Orange/4), RXD (Yellow/5),RTS (Green/6). Marks: The pinouts are marked on product for easy using. CABLE LENGTH: 6ft (72-inch) cable provides flexible working distance between USB host and target device PLUG-AND-PLAY: USB interface allows for quick connection to computers, while the TTL end connects directly to serial devices with no additional adapters needed. The NITOMTYU USB to Serial TTL 3.3V 6Pin UART Converter Cable is an essential tool for electronics enthusiasts and developers.This 6-foot cable features a standard USB connector on one end and a 6-pin TTL interface on the other, making it perfect for programming and debugging microcontrollers, development boards, and other serial devices. The cable supports 3.3V logic level communication and includes all necessary pins (GND, CTS, VCC, TXD, RXD, RTS) clearly labeled for easy connection. Its generous length provides flexibility in your workspace setup, while the durable construction ensures reliable data transfer. This converter cable is compatible with various development platforms and is ideal for projects requiring USB to TTL serial communication. The plug-and-play design simplifies connection to your computer, while the color-coded wires help prevent incorrect wiring during setup.