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Greg Steiert

UNITED STATES OF AMERICA • + Follow Edit Project

Mark Burnett

UNITED STATES OF AMERICA
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Description

KUIIC Board

This is a compact development board for the K32L2B designed to be compatible with the Seeeduino XIAO boards.

It has USB Type-C and SparkFun Qwiic/Adafruit STEMMA QT connectors making it ideal USB to I2C applications.

Some advantages this board has over existing XIAO boards is a 16bit ADC and FlexIO.

FlexIO can be used to implement a variety of interfaces including I2S, SPI, I2C, UART, PWM and more.

Schematic and Layout

KUIIC github repository

https://github.com/nxf58843/kuiic

Download Gerbers Download BOM(Bill of materials)

Dec 16,2021

1,484 views

KUIIC Board

2 Layers PCB 20.3 x 17.8 mm FR-4, 1.6 mm, 1, HASL lead free, Black Solder Mask, White silkscreen

This is a K32L2B based USB to IIC adapter designed to be Seeeduino XIAO, SparkFun Qwiic/Adafruit STEMMA QT compatible.

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Published: Dec 16,2021

Standard PCB

Download Gerber file 10

BOM(Bill of materials)

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Attribution-ShareAlike (CC BY-SA) License

Under the Attribution-ShareAlike (CC BY-SA) License.

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Topic

Computers & USB

Breakout Board Projects

XIAO QWIIC K32L2B USB I2C

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Mark Burnett May 15,2025

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