CP2104 USB to UART Module 5V 3V3

Description of CP2104 USB to UART Module 5V 3V3 The CP2104 USB to UART Module is a high-performance USB-to-serial converter designed to provide reliable and efficient communication between USB-enabled devices and UART interfaces. Featuring a built-in USB transceiver, clock, and power-on reset circuit, this compact module eliminates the need for external components. It supports both 3.3V and 5V output levels, making it compatible with a wide range of microcontrollers and embedded systems. With full compliance to the USB 2.0 specification, robust short-circuit protection, and an onboard status indicator LED, the CP2104 is ideal for developers, hobbyists, and professionals requiring stable and efficient serial communication   Key Feature 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 USB-to-Serial interface for embedded systems Microcontroller programming/debugging 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.   Need Help? Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 08:00 pm (7 days a week). You can also reach us via Live Chat or Facebook Inbox. 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.