CC3000 introduction


Adafruit CC3000 Wi-Fi breakout board, bottom view with quarter for size reference.

The Adafruit CC3000 WiFi breakout board (v1.1) is based on the CC3000 Wi-Fi module from TI. The onboard ceramic antenna, breadboard-compatible design, and the Adafruit CC3000 Arduino library (compatible with Arduino Micro, Leonardo, Uno, and Mega as well as our Arduino-compatible A-Star controllers) allow for easy integration into embedded projects. The CC3000 uses SPI for communication instead of UART, so the communication speed is not limited to a fixed baud rate. It supports 802.11b/g, open/WEP/WPA/WPA2 security, TKIP, and AES. A built-in TCP/IP stack with a BSD socket interface supports TCP and UDP in client and server mode with up to 4 concurrent socket connections. The board also has a tri-state buffer on the MISO pin to allow the use of the CC3000 with other SPI devices on the same bus. We carry the Adafruit CC3000 Wi-Fi shield for Arduino with onboard ceramic antenna.

Note: The CC3000 does not support “AP” mode; it can connect to an access point, but it cannot be an access point.

For documentation and resources to help you use the CC3000 Wi-Fi breakout board, including tutorials, see the guide on Adafruit’s site.


  • Features CC3000 Wi-Fi module from TI
  • Uses SPI for communication
  • Integrated 3.3 V regulator
  • Integrated level shifter
  • Tri-state buffer on the MISO pin
  • Comprehensive Adafruit CC3000 Wi-Fi guide
  • Adafruit CC3000 Arduino library with examples to help get you started quickly
  • Onboard ceramic antenna
  • Two mounting holes
  • Compact with 0.1″-pitch holes that are compatible with standard solderless breadboards and perfboards

Included hardware

The board ships with all of its surface-mount parts populated. However, soldering is required for assembly of the included 0.1″ male headers.

Adafruit CC3000 Wi-Fi breakout board, top view with included hardware.

Schematic diagram

Note: This product is Adafruit product ID 1469.



Size: 1.6″ × 1.0″
Weight: 3.5 g1


Without included headers.


File downloads

Datasheet for CC3000 Wi-Fi module from TI (676k pdf)
Adafruit CC3000 Wi-Fi Breakout Board schematic diagram (41k png)
Printable schematic diagram for the Adafruit CC3000 Wi-Fi Breakout Board (v1.1) with Onboard Ceramic Antenna.


SKU PL-2774
Brand Pololu

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