Liludin CH341A Multi-Function USB Adapter USB To UART I2C SPI TTL ISP EPP MEM Flash Programmer Debug Module
SPECIFICATIONS
Application: Computer
Brand Name: Liludin
Condition: New
High-concerned chemical: none
Origin: Mainland China
Package: SOP
Supply Voltage: 3.3V-5V
Type: Module
Main control chip: Qinheng WCH CH341A USB bus adapter chip
Support work mode:
UART asynchronous serial port, I2C bus, SPI bus, TTL level serial port, ISP download, EPP parallel, MEM parallel memory mode
Level selection: onboard jumper switches 3.3V/5V signal levels to adapt to different microcontroller systems
Typical read-write objects: 24CXX series I2C EEPROM, 25Q series SPI FLASH, BIOS chip
Interface configuration: standard 2.54mm pin arrangement, all functional pins are led out; USB-B interface power supply communication
System support: Windows, Linux, macOS, supporting drivers, numerous PC burning software
Function division: Can be used as a serial debugger, chip programmer, and communication bus debugging host
Applicable scenarios: electronic maintenance, embedded development, BIOS backup, microcontroller firmware burning, teaching experiments
Main IC: WCH CH341A USB bridge chip with multi-protocol conversion capability.
Supported modes: UART, I2C, SPI, TTL, ISP, EPP parallel, MEM memory parallel interface.
Onboard jumper to select 3.3V or 5V logic level for different microcontroller systems.
Widely used for programming 24CXX I2C EEPROM and 25Q series SPI Flash / BIOS chips.
Standard 2.54mm pin header with all signal breakout, USB-B connector for power & communication.
Cross-platform driver support for Windows, Linux and macOS with abundant programming software.
Work as UART monitor, flash programmer and I2C/SPI master bus tester.
Essential tool for embedded development, laptop motherboard repair, firmware backup and university training.
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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