WitMotion cp2102 module

WITMOTION USB-UART 6-in-1 Serial Adapter (CP2102 Module) User Manual

Model: cp2102 module

1. Pengenalan

The WitMotion USB-UART 6-in-1 Multi-function Serial Adapter is a versatile device designed for various serial communication needs. It supports multiple conversion functions including USB-TTL, USB-RS232, USB-RS485, TTL-232, TTL-485, and 232-485. This adapter is built with a reliable CP2102 chipset and is compatible with a wide range of operating systems and development platforms, making it suitable for diverse projects.

2. Ciri-ciri Produk

  • Pelbagai fungsi: Supports USB-TTL, USB-RS232, USB-RS485, TTL-232, TTL-485, and 232-485 conversions.
  • Keserasian Luas: Compatible with Windows XP / 7 / 8 / 10 (32bit / 64bit), Linux, Wince, Mac, and Vista operating systems.
  • Reka Bentuk Teguh: Features a high-quality mode switch (tested for 100,000 cycles), clear status indicator LEDs, an upgraded TO5 fuse for excellent protection against short-circuits, and an imported CP2102 chipset for stable and reliable performance.
  • Adjustable Baud Rate: Supports baud rates from 300 bps to 1.5 Mbps.

3. Kandungan Pakej

Pakej termasuk item berikut:

  • 1x WitMotion 6-in-1 Serial Adapter
  • 4x DuPont Cables
  • 1x Kad Selamat Datang

All components are securely packaged in an anti-static bag to prevent damage during transit.

WitMotion 6-in-1 Serial Adapter packaging box and contents

Image: Packaging box and included items.

4. Produk Lebihview dan Pinout

4.1. Adapter Layout

The images below illustrate the key components and connectors of the 6-in-1 serial adapter.

Atas view of the WitMotion 6-in-1 Serial Adapter showing input/output connector, 485IC, and 232IC.

Imej: Atas view of the adapter, highlighting the input/output connector, 485IC, and 232IC.

Bawah view of the WitMotion 6-in-1 Serial Adapter showing USB connector, mode selection switch, resettable fuses, CP2102 IC, and LED indicators.

Imej: Bawah view of the adapter, highlighting the USB connector, mode selection switch, resettable fuses, CP2102 IC, and LED indicators.

4.2. Penerangan Pin

The following table details the function of each pin on the adapter's input/output connector:

Nama Fungsi
+5V Module power, 5V input, output
3V3 Module power, 3.3V output
RX Input data bersiri, tahap TTL
TX Output data bersiri, tahap TTL
232R Serial data input, 232 level
232T Serial data output, 232 level
A RS485 Signal line A
B RS485 Signal line B
GND tanah
DTR Data Terminal Ready / Control Flow Output
RTS Permintaan Untuk Hantar

Image: Pinout table for the serial adapter.

5. Persediaan dan Pemasangan

5.1. Pemasangan Pemandu

Before using the adapter, you must install the appropriate drivers for the CP2102 chipset on your computer. Drivers are typically available for Windows, Linux, and Mac operating systems. Please visit the official WitMotion webtapak (www.wit-motion.com) for the latest drivers and installation tutorials.

  1. Download the correct CP2102 driver for your operating system from the WitMotion webtapak.
  2. Ikuti arahan di skrin untuk memasang pemacu.
  3. After installation, connect the adapter to your computer's USB port. The system should recognize the device and assign a COM port.

5.2. Menyambung ke Peranti

Connect the adapter to your target device using the DuPont cables. Ensure correct pin connections based on the desired communication protocol (TTL, RS232, or RS485). Refer to the operating instructions for specific connection diagrams.

6. Arahan Operasi

6.1. Suis Pemilihan Mod

The adapter features a mode selection switch to choose between different serial communication protocols. Carefully set the switch to the desired mode before connecting to your device.

Close-up of the WitMotion 6-in-1 Serial Adapter showing the mode switch, CP2102 chipset, TO5 fuse, and LED indicators.

Image: Close-up of the adapter's components, including the mode switch.

6.2. Petunjuk LED

The adapter is equipped with LED indicators to show its working status:

  • LED kuning: Indicates USB power/connection status.
  • Green RX LED: Berkelip apabila data diterima.
  • Red TX LED: Berkelip apabila data sedang dihantar.

6.3. Sambungan Cthamples

The following diagrams illustrate common connection scenarios for various serial communication types:

Diagrams showing various connection configurations for USB-TTL, USB-RS232, USB-RS485, TTL-232, TTL-485, and 232-485 conversions.

Image: Detailed connection diagrams for different serial communication modes.

  • USB to TTL: Connect the adapter's TX, RX, and GND pins to the corresponding RX, TX, and GND pins of your TTL device.
  • USB to RS232: Use the 232T, 232R, and GND pins for RS232 communication.
  • USB to RS485: Connect the A and B pins for RS485 communication.
  • TTL to RS232/RS485, 232 to 485: For these conversions, ensure the adapter receives power from the USB port or an external VCC/GND pin. Connect the respective TX/RX or A/B lines between the devices. Note that for direct TTL-232/485 or 232-485 conversions, the USB connection is primarily for power, not direct data interaction with the PC.

7. Penyelesaian masalah

If you encounter issues while using the WitMotion 6-in-1 Serial Adapter, consider the following troubleshooting steps:

  • Driver Not Recognized: Ensure the CP2102 driver is correctly installed. Try reinstalling the driver or connecting the adapter to a different USB port.
  • Tiada Penghantaran/Penerimaan Data:
    • Verify that the mode selection switch is set to the correct protocol (TTL, RS232, or RS485).
    • Check all wiring connections for correctness and ensure they are secure.
    • Confirm that the baud rate settings on both the adapter and your target device match.
    • Observe the RX/TX LEDs. If they are not flashing during data transfer, there might be a connection or configuration issue.
  • Isu Kuasa: Ensure the adapter is receiving sufficient power from the USB port. The yellow USB LED should be illuminated.
  • Konfigurasi Perisian: Double-check your serial terminal software or development environment settings (COM port, baud rate, data bits, parity, stop bits).

For further assistance, refer to the tutorials available on the WitMotion webtapak (www.wit-motion.com) or YouTube channel (www.youtube.com/c/WITMOTION). You can also contact our support team at support@wit-motion.com.

8. Spesifikasi

Spesifikasi Nilai
Jenama WITMOTION
Nombor Model cp2102 module
Antara Muka Perkakasan USB
Kadar Baud 300 bps ~ 1.5 Mbps
Keserasian Sistem Pengendalian Windows XP / 7 / 8 / 10 (32bit / 64bit), Linux, Wince, Mac, Vista
UPC 680904597570

9. Waranti dan Sokongan

WitMotion provides a Jaminan kualiti 12 bulan for this product. If you have any questions or require technical assistance, please utilize the following resources:

  • Online Tutorials: Comprehensive guides and video tutorials are available on our official website and YouTube channel. Links are provided on the welcome card included in your package.
  • Sokongan E-mel: For direct technical support, please contact us at support@wit-motion.com. Our team is dedicated to providing satisfactory service and solutions.

© 2026 WitMotion. All rights reserved.

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