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CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module
The CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module is a value-for-money usb interface module designed for everyday users. It features Model No. / Name: CH341A and Operating Voltage (V): 3.3 to 5.
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About This Product
The CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module is a value-for-money usb interface module designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Model No. / Name: CH341A
- Operating Voltage (V): 3.3 to 5 — works with standard household power
- Application: BIOS flashing, EEPROM programming, UART debugging — plenty of room for files, apps, and media
- Compatibility: multiple EEPROM chips — plenty of room for files, apps, and media
- Length (mm): 75
- Width (mm): 32
- Weight (g): 13
- Shipping Weight: 0.014 kg
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The CH341A USB to SPI/I2C/IIC/UART/TTL/ISP Serial Adapter Module is a compact and versatile programming tool, ideal for developers and electronics enthusiasts. It supports multiple serial communication protocols, making it perfect for debugging, flashing firmware, and serial interfacing of microcontrollers and memory chips. With a plug-and-play USB interface, it allows easy conversion between USB and TTL, I2C, or SPI. Suitable for BIOS flashing, EEPROM programming, and embedded development, this module simplifies interfacing with devices like Arduino, Raspberry Pi, and more. It is an essential tool for firmware engineers, hobbyists, and reverse engineers alike.
Note: Images for Referance only, the actual product may vary in terms of ColourFeatures:
- Supports SPI, I2C, IIC, UART, TTL, and ISP protocols.
- Based on reliable CH341A chip for stable performance.
- USB 2.0 full-speed interface for easy PC connectivity.
- Compatible with EEPROM and BIOS flash programming.
- Ideal for microcontroller and memory interfacing.
- Wide system compatibility (Windows/Linux support).
- Compact, lightweight, and easy to use.
- No external power required – powered via USB.





