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Silicon Labs CP2102 USB to TTL Serial Adapter

Manufacturer: Generic
Product Code: CP2102 USB to TTL
Availability: In Stock
FastFind: 236156


The USB to TTL serial adapter is based on the popular Silicon Labs CP2102 chipset and is an excellent way to connect TTL serial devices to a PC through a USB port.

This USB to TTL serial adapter is ideal for many uses, including:

  • Programming microprocessors such as ARM, AVR, etc
  • Working with computing hardware such as routers and switches
  • Serial communication with many devices such as GPS devices
  • Serial terminals on devices like the Raspberry Pi

The adapter has 6 pins: From Left to Right when viewed from Top with USB facing down

  • GND: Ground
  • CTS
  • VCC 5V: voltage output
  • TXD: Serial Transmit Data pin
  • RXD: Serial Receive Data pin
  • DTR

This board also has to the sides for users to add there own pins for the following




The voltage pin is ideal for powering small low current devices such as simple circuits. These pins should not be connected when a device has an external power pack as this may damage both devices.

This adapter supports the following operating systems:

  • Windows 2000 (32 bit)
  • Windows XP (32 and 64 bit)
  • Windows Vista (32 and 64 bit)
  • Windows 7 (32 and 64 bit)
  • Windows 8 (32 and 64 bit)
  • Linux 2.6+
  • Mac OS X 10.4, 10.5, 10.6, 10.7 and 10.8

The drivers can be downloaded from Silicon Lab's website: Download Driver

Important Note Before you decide to Buy: This item is provided with NO instructions or data sheets. We are unable to provide any technical support, it is therefore essential that you have the resources available to make use of this item and how it operates within the electrical specifications. We check and test each module, we are therefore unable to accept any returns based on a faulty module.

This item will be fully tested prior to despatch. Buy with confidence.

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