Some resources to help you getting started with STM32 programming.
This is a 3 pin polarized connector. Perfect for use as power connectors, sensor connectors, or for any general purpose connection which requires protection from a improper connection or reverse polarity.
The connector comes with a compatible male connector that mates with it in only one orientation. The male connector has a spacing of 0.1'(2.54 mm) and can be easily soldered onto a standard prototype board.
Note: Color may vary White, Cream, etc. Images are just for representational purpose.