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1Pcs Prototype Prototyping Shield Protoshield Uno R3 Mini Breadboard Arduino New. ProtoShield Extension Board. ProtoShield prototype extension board and two buttons with two LED circuits can be used directly.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.