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SparkFun will be closed on Monday for Memorial Day (5/27). Orders placed after 2pm MT on Friday (5/24) will process and ship out on Tuesday (5/28).

To download a .ZIP file of the most recent SparkFun Inventor's Kit code for the SIK V4.0, click the button below.

If you are following along with the SIK Errata sheet and the printed guide, please use V4.0a of the SIK code.


If you are following along with the original V4.0 SIK print guide, use the depreciated V4.0 code.


For older versions of the SIK code, please use the links below.