CH375B U disk reader module USB interface communication module for arduino

The CH375B USB Interface Communication Module is a versatile USB bus interface chip designed to easily add USB flash drive reading and writing capabilities to your microcontroller projects. Ideal for South African makers, students, and hobbyists, this module allows seamless data storage and retrieval for Arduino, DSP, and MCU systems.

Versatile USB host communication

The onboard CH375B chip features an 8-bit data bus alongside read, write, chip select, and interrupt lines to interface directly with your system bus. In USB host mode, it also supports serial communication via input, output, and interrupt lines to connect with your MCU, MPU, or DSP.

Flexible parallel or serial modes

Configure the module to match your system requirements using the onboard jumpers to switch between parallel and serial communication modes. A standard 2x8 connector ensures straightforward physical connection to your microcontroller.

Integrated voltage regulation

The module features an onboard 3.3V LDO 1117 regulator capable of delivering a maximum current of 800mA. Power is conveniently sourced directly from your target board's 5V supply.

Visual status and stable timing

An onboard USB status indicator LED provides instant visual feedback on your connection state. The module is driven by an integrated 12 MHz crystal oscillator to ensure stable, reliable timing during data transfers.