#RaspberryPi GPIO reference keyring

 

PI GPIO reference with you all the time | Flickr - Photo Sharing!

This is a great idea. A keyring-sized slip-on guide to the GPIO. I’ve asked the inventor about making it double-sided with the alternate functions such as TX, RX etc, so it’ll be interesting to see how useful he can make it.

Flickr has a larger photo of the product

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