Joy-It Proto + Circuit board RB-PROTO+

Joy-It-Proto-Circuit-Board-Joy-It-RB-PROTO-p-Joy-It-Proto-Circuit-board-With-our-Proto-prototype-circuit-board-your-own-designs-and-projects-can-be-implemented-easily-The-board-is-equipped-with-nearly-all-popular-interfaces-and-also-has-a-built-in-breadboard-for-quick-implementation-of-your-ideas-and-developments-p-p-br-The-built-in-GPIO-bar-allow-the-expansion-board-to-be-easily-attached-and-plugged-onto-a-Raspberry-Pi-so-it-can-be-used-immediately-The-supplied-screws-and-spa