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  • Okystar CP2102 USB to TTL UART Serial Cable Converter
  • Okystar CP2102 USB to TTL UART Serial Cable Converter
  • Okystar CP2102 USB to TTL UART Serial Cable Converter
  • Okystar CP2102 USB to TTL UART Serial Cable Converter
  • Okystar CP2102 USB to TTL UART Serial Cable Converter
  • Okystar CP2102 USB to TTL UART Serial Cable Converter
Okystar CP2102 USB to TTL UART Serial Cable Converter
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Okystar CP2102 USB to TTL UART Serial Cable Converter

  • 10 - 100 Pieces
    $1.11
  • 101 - 1000 Pieces
    $1.04
  • 1001 - 3000 Pieces
    $1.02
  • >= 3001 Pieces
    $1

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 5000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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Okystar CP2102 USB to TTL UART Serial Cable Converter

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • USB to TTL UART Conversion: Enables seamless communication between USB-enabled devices and serial (UART) peripherals, supporting data transfer for debugging, programming, and IoT applications.
  • 3-Pin Header Customization: Supports RXD, TXD, and GND configurations, allowing compatibility with diverse serial devices through pinout adjustments.
  • Integrated Power Supply: Delivers power via USB, eliminating the need for external power sources and simplifying setup.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal USB connector, ensure reliable connectivity in harsh environments.*

  • 2. Interactive Design

    • With a customizable 3-pin header, adapt to different serial device configurations effortlessly.*

  • 3. Performance Parameters

    • With data transfer speeds up to 3 Mbps, achieve seamless communication between USB and serial devices (~50% faster than older solutions).*

  • 4. Scenario Solutions

    • With USB-to-serial conversion capability, you can interface legacy devices with modern systems seamlessly, eliminating the need for additional power sources.

  • 5. Certification Standards

    • With USB 2.0 compliance, ensure broad compatibility with Windows, macOS, and Linux systems.*

Product details

Okystar CP2102 USB to TTL UART Serial Cable Converter

The Okystar CP2102 USB to TTL UART Serial Cable Converter is a compact, versatile interface solution designed to bridge USB and serial communication needs. With a 0.2m cable length and a robust metal USB connector, it ensures reliable connectivity for embedded systems, IoT devices, and industrial applications. Its red PCB enhances visibility during installation, while the 3-pin header enables customization for diverse serial interfaces.

Technical specifications

FeatureSpecificationBenefit
Cable Length0.2 metersEnsures compact portability without signal loss
USB ConnectorMetalDurable and conductive for rugged environments
PCB ColorRedHigh visibility for easy identification
Interface TypeUSB to TTL UART ConverterConverts USB signals to serial (UART) protocols
Pin Configuration3-pin header (RXD, TXD, GND)Adaptable for custom serial device connections
CompatibilityWindows/Linux/macOSCross-platform support for universal use

Customization guide

Adjust the 3-pin header pinout to match specific serial device requirements (e.g., RS-232 or custom protocols). The metal connector’s robust design allows for field repairs or upgrades in high-stress applications.

Get inspired

Transform your setup with this compact converter! Whether debugging embedded systems, connecting legacy devices, or prototyping IoT hardware, this tool simplifies serial communication without sacrificing portability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Data Rate1 Mbps3 Mbps3 Mbps + Low-Latency
Voltage Support3.3V-5V1.8V-5.5V1.2V-5.5V
CertificationsRoHSRoHS + CERoHS + CE + FCC
Power DeliveryUSB-poweredUSB-poweredUSB + External Power

Supplier's note

  1. Three Breakthrough Features:

    • Metal Connector: With a corrosion-resistant metal USB port, you can ensure stable conductivity in industrial settings.
    • Red PCB: The distinctive red PCB improves visibility during installation, reducing errors in cluttered environments.
    • 3-Pin Header: Customize pinouts to interface with non-standard serial devices, expanding compatibility.

  2. Version Selection Guide:

    • Base Model: Ideal for basic debugging or hobbyist projects where standard voltage (3.3V-5V) and 1 Mbps data rates suffice.
    • Advanced Model: Choose this for embedded systems requiring wider voltage tolerance (1.8V-5.5V) and full CP2102 capabilities.
    • Pro Model: Engineers handling high-speed IoT projects or extreme environments benefit from low-latency performance and FCC certification for global deployment.

Example Use Case: The Pro Model’s 1.2V-5.5V voltage range enables seamless integration with low-power sensors, while its FCC certification ensures compliance for commercial deployments.

Frequently asked questions

  • Which USB to serial converter is best for Arduino projects?

  • How to clean the metal USB connector on the Okystar CP2102?

  • Metal vs. plastic USB connectors: Why choose the Okystar CP2102 for industrial use?

  • Can I customize the pinout configuration on the 3-pin header?

  • Is the Okystar CP2102 FCC/RoHS certified?

  • Why is the cable length only 0.2m for the Okystar CP2102?

  • Does the Okystar CP2102 work with Windows, Linux, and macOS?

  • Does the Okystar CP2102 require an external power source?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Cable LengthEmbedded Systems, IoT DevicesIndustry: 0.3m (IEC 61240), Base: 0.2m (compact), Advanced: 0.5m▲ (extended)Base: ultra-portable; Advanced: longer reachBase: limited reach; Advanced: bulkier
Connector MaterialIndustrial EnvironmentsIndustry: Plastic (IEC 60603-2), Base: Metal▲ (IEC 60906-1), Advanced: IP67▲Durability; Advanced: dust/water resistanceAdvanced: higher cost
Signal Conversion ChipHigh-Speed Data TransferIndustry: FTDI FT232RL, Base: CP2102▲ (low power), Advanced: CP2102N▲ (1Mbit/s)Lower power; Advanced: faster speedsIndustry chips may have broader support
Power SupplyMobile SetupsIndustry: External PSU, Base: USB-powered▲, Advanced: USB-C▲ (reversible)Convenience; Advanced: easier plug-inIndustry requires extra cables
Customization OptionsCustom Hardware ProjectsIndustry: Fixed pinout, Base: 3-pin▲, Advanced: 6-pin▲ + programmable firmwareFlexibility; Advanced: more versatileBase needs soldering; Advanced needs skills
OS CompatibilityMulti-OS EnvironmentsIndustry: Windows-only, Base: Cross-platform▲, Advanced: Plug-and-play▲Wider compatibility; Advanced: no driversIndustry limited to Windows

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