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CP2104 USB to UART Module 5V 3V3

৳301
The CP2104 USB to UART Module provides stable and fast serial communication between your computer and microcontroller boards. Supporting both 5V and 3.3V logic levels, it’s perfect for programming, debugging, and data transfer. Compatible with Arduino, Raspberry Pi, ESP8266, and other development boards, this module is an essential tool for makers and engineers in Bangladesh working on embedded systems.
Categories: Electronics Products / Sensors / Others Brand: Made in China SKU: Available
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The CP2104 USB-to-UART module is a high-performance USB-to-serial converter designed for reliable communication between USB-enabled devices and UART interfaces. With an integrated USB transceiver, clock, and power-on reset circuit, it requires no external components.

Supporting both 3.3V and 5V logic levels, this compact module is compatible with a wide range of microcontrollers and embedded systems. It is fully compliant with USB 2.0, features robust short-circuit protection, and includes an onboard status LED—making it an excellent choice for developers, hobbyists, and professionals needing stable and efficient serial communication.

  • Built-in USB transceiver – no external circuit required
  • Integrated clock and power-on reset circuits
  • Onboard 3.3V regulator output (no external voltage regulator needed)
  • Supports USB 2.0 full-speed communication
  • Compatible with standard UART handshake and flow control mechanisms
  • Supports data formats: 8 data bits, 1 or 2 stop bits, optional parity
  • 512-byte transmit and receive FIFO buffers
  • Supports hardware flow control and X-ON/X-OFF software handshake
  • Short-circuit protection with a self-recovery mechanism
  • Onboard status LED for power and activity indication
  • Supports dual voltage output: 3.3V and 5V

Technical Specifications

Parameter

Specification

Product Name

CP2104 USB to UART Module

Chipset

Silicon Labs CP2104

PCB Dimensions (mm)

30.5 x 17

PCB Color

Blue

Power Output

3.3V and 5V selectable

Buffer Size

512 bytes (Tx), 512 bytes (Rx)

USB Standard

USB 2.0 Full-Speed compliant

Data Formats 

8 data bits, 1/2 stop bits, optional parity

Flow Control

Hardware (RTS/CTS), Software (X-ON/X-OFF)

Protection

Short-circuit protection with auto-recovery

Indicator

Status LED for operation feedback

Interface Type

USB to UART serial communication

SUSPEND Pin










































Supports USB suspend mode

Supported Operating Systems

  • Windows 98 / 2000 / XP / 7 / 8 / 10
  • macOS (OS-9 and newer)
  • Linux Kernel 2.4.0 or above
  • Windows CE
  • X-Windows

  • Applications

    • TTL serial communication with Arduino, ESP8266, STM32, Raspberry Pi
    • USB data logging and terminal interfacing
    • Industrial control and sensor interfacing

    • Packaging Details

      • 1 x CP2104 USB to UART Module
      • 1 x Connecting Wire

       

      Attention

      Note: This item is non-returnable. If it arrives damaged or is not functioning properly, please don't hesitate to contact us to determine if further action is required.

    • Frequently Asked Questions (FAQ)

      1. What is the function of the CP2104 USB to UART Module?
      The CP2104 module serves as a USB-to-serial (UART) communication bridge, allowing your computer to communicate with microcontrollers, development boards, and embedded systems via USB.

      2. Does the CP2104 support both 3.3V and 5V output levels?
      Yes, the module offers dual output support for both 3.3V and 5V, making it compatible with a wide range of microcontrollers and devices that operate on different logic levels.

      3. Is any external circuit required for operation?
      No, the CP2104 comes with a built-in USB transceiver, clock circuit, and power-on reset,       eliminating the need for external circuit components. It’s a complete plug-and-play solution.

      4. Which operating systems are supported by the CP2104 module?
      The module supports a wide range of platforms      , including Windows 98, 2000, XP, 7, 8, and 10, macOS (OS X and newer), Linux (Kernel 2.4.0 or higher), X-Windows, and Windows CE.

      5. Is the module protected against short circuits?
      Yes, it features built-in short-circuit protection with auto-recovery, helping to safeguard both the downloader circuit and your computer’s USB port from accidental damage.


  •  USB-to-Serial interface for embedded systemsMicrocontroller programming/debugging

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