The CH341 USB to UART I2C ISP Programmer & Parallel Port Converter is a professional-grade interface tool designed for embedded system developers, electronics engineers, repair technicians, and hobbyists who require fast and reliable communication between computers and a wide variety of integrated circuits. Built around the CH341 chipset, this versatile device supports UART, I2C, ISP, and parallel port communication, making it a multifunctional solution for chip programming, debugging, and hardware interfacing.

With its compact design and on-board EPP parallel adapter, the CH341 programmer offers excellent compatibility with numerous devices and ICs. Whether you are programming microcontrollers, testing EEPROMs, or interfacing with embedded hardware, this converter ensures high-speed, stable, and accurate data transfer.

Key Features

• Multi-Protocol Support – Functions as a USB to UART, I2C, ISP, and parallel port converter.

• CH341 Chipset – Ensures stable performance and wide compatibility with a range of ICs.

• On-Board EPP Adapter – Built-in Enhanced Parallel Port (EPP) for seamless hardware interfacing.

• Universal Programmer – Ideal for EEPROM, FLASH, MCU, and IC communication.

• High-Speed USB 2.0 Interface – Provides fast and stable data transfer without lag.

• Plug-and-Play Compatibility – Simple setup on Windows and Linux operating systems.

• Compact & Portable – Lightweight design makes it easy to carry for repair labs and fieldwork.

• Reliable Performance – Designed for professional applications with low error rate and high stability.

• Multiple Functions – Supports reading, writing, programming, and debugging across different protocols.

Applications

The CH341 USB Programmer & Converter is suitable for a wide range of professional and educational electronics tasks, including:

• Microcontroller Programming – Upload firmware and debug MCU-based projects.

• EEPROM & FLASH Memory Access – Read, write, and program EEPROMs, SPI FLASH, and I2C memory chips.

• Embedded System Development – Interface with sensors, modules, and other digital devices during hardware testing.

• Motherboard & IC Repair – Useful for BIOS flashing, chip-level diagnostics, and repair services.

• Parallel Port Conversion – Easily connect devices requiring a parallel interface through the built-in EPP adapter.

• Research & Education – Ideal for academic labs, technical training, and electronics research.

• DIY Electronics & Hobby Projects – Perfect for makers and electronics enthusiasts working on custom hardware.

Technical Specifications

• Model / Chipset: CH341

• Interface: USB 2.0 High-Speed (backward compatible with USB 1.1)

• Supported Protocols: UART, I2C, ISP, Parallel Port (EPP)

• Functions: Read, Write, Program, Debug, Communication

• Supported Devices: EEPROM, FLASH, Microcontrollers, Embedded ICs

• Adapter Type: On-board EPP Parallel Adapter

• Data Transfer Rate: High-speed communication with low latency

• Operating Systems: Windows (XP / Vista / 7 / 8 / 10 / 11), Linux (various distributions)

• Power Supply: USB powered (no external adapter required)

• Dimensions: Compact and lightweight for portability

• Build Quality: Durable design for professional use in labs and workshops

• Software Support: Compatible with open-source and third-party programming/debugging tools

Unlike standard USB converters that only handle one protocol, the CH341 Programmer is a 4-in-1 multi-function tool supporting UART, I2C, ISP, and parallel communication. Its integration of an on-board EPP parallel adapter makes it highly versatile, especially for technicians and developers working with older hardware or specialized embedded systems.

Its driver support for both Windows and Linux, along with plug-and-play operation, ensures smooth integration into any workflow. Whether you are a professional engineer, a repair technician, or a hobbyist, the CH341 provides the performance and flexibility needed for modern electronics projects.