This USB to TTL Converter is a multifunctional portable module based on the CH343G USBtoserial bridge. It provides a reliable USB 2.0 interface for TTL serial communication, enabling direct connection between a PC and microcontrollers or embedded devices. Built for everyday use, the module is compact, lightweight, and easy to operate, making it suitable for development, debugging, and field work. Key benefits Plugandplay USB to TTL bridge: quick, straightforward connection between a computer and TTL serial devices without complex setup. Versatile compatibility: designed to work with a wide range of microcontrollers and embedded systems that rely on TTL serial communication. USB powered: draws power directly from the USB port, eliminating the need for an external power supply. Reliable CH343G performance: leveraging the CH343G USBtoserial bridge for stable data transfer and broad compatibility. Portable and durable design: compact form factor and robust connectors for use in the lab, workshop, or on the go. Userfriendly operation: easy to connect, configure, and start transmitting data with serial devices. Key attributes Functionality: USB to TTL serial conversion using CH343G, enabling UART communication between a PC and TTL devices. Compatibility: USB 2.0 compliant; suitable for connecting to a wide range of microcontroller boards and TTL serial devices. Size and portability: compact, portable module designed for convenient placement in projects, on a bench, or in a toolbox. Material and build: robust module construction with standard connectors to ensure reliable longterm use. Performance: delivers stable USBtoserial communication suitable for development, debugging, and data exchange with TTL devices. Two to three specific use cases Firmware flashing and programming: connect a microcontroller, development board, or embedded module to a PC for firmware updates via the TTL serial interface. Serial console debugging: use the module to access the serial console of microcontrollers (such as STM32, AVR, ESP, PIC) for realtime debugging and monitoring. Data logging and sensor integration: interface TTLbased sensors or modules (GPS, wireless transceivers, GPS receivers, etc.) with a PC or singleboard computer to collect and store serial data. Notes on use This module is intended for TTL serial communication and is powered through a USB connection. It is designed to be straightforward to use with standard TTL devices and development boards that require a USBtoUART bridge. With its CH343G chipset, USB 2.0 compatibility, portable form factor, and straightforward operation, this USB to TTL Converter offers a practical solution for engineers, hobbyists, and technicians who need reliable USBtoserial connectivity for development, debugging, and data exchange.