Isolated USB to TTL USBC to Serial Port UART Module Download Line Upgrade Brush IndustrialGrade 3.3V Black USBC to Serial Port UART Module PCB+Electronic Components +Accessories 1Set This isolated USB C to TTL UART module provides a galvanic isolation between the USB host and the TTL serial device. It is designed for industrial grade reliability and 3.3V logic level operation. The package includes the PCB, electronic components and accessories, all in one set, and it comes with a Download Line Upgrade Brush as part of the included items. Key benefits galvanic isolation protects both host computer and target device from ground loops and voltage spikes supports 3.3V TTL serial communication for compatibility with common microcontrollers and embedded boards USBC interface offers a modern, common connection to USB hosts industrial grade construction for durable operation in challenging environments complete package with PCB, components and accessories, 1 set convenient for development, debugging and firmware updates without risking equipment damage Key attributes functionality: isolated USB to TTL UART interface with USBC host connection compatibility: suitable for 3.3V TTL serial devices and UART communication voltage level: 3.3V logic interface: USBC to serial port UART module construction: industrialgrade design, black finish contents: PCB, electronic components and accessories included; 1Set total special item: Download Line Upgrade Brush included What is included 1 set comprising the USBC to serial port UART module with isolation PCB and electronic components required for operation Accessories for installation and connection Download Line Upgrade Brush included Use cases and applications Microcontroller programming and debugging: connect 3.3V TTL based boards (such as certain STM32, ESP32, or other 3.3V MCUs) to a PC or USBC host for firmware loading and serial debugging Firmware updates for embedded devices: use the isolated USBC UART link to perform safe firmware updates on sensitive equipment Industrial equipment maintenance and diagnostics: connect equipment with TTL UART interfaces to a computer for troubleshooting while maintaining electrical isolation in harsh environments How this solves common problems Electrical isolation reduces risk of damage from ground loops, static discharge, or voltage spikes during serial communication 3.3V TTL compatibility prevents damage to 3.3V devices and avoids level shifting issues USBC compatibility supports newer hosts and reduces the need for adapters The included accessories and PCB components streamline setup and integration in or existing projects Notes intended for 3.3V TTL serial devices and USBC hosts exact dimensions are not specified; designed for standard module integration with the provided components color: black; suitable for industrial or equipmentmounted applications This description reflects the product features as indicated in the title, providing a clear view of benefits, attributes, and practical use cases while maintaining a professional and credible tone.