{"product_id":"exbus-protoboard-card-pcb","title":"ExBus Protoboard Card PCB","description":"\u003cp\u003eWant to hack together your own ExBus Card? This Protoboard Card provides the logic to participate in the ExBus addressing protocol, breaks out useful signals, and features a 100mil grid of plated through-holes to put whatever you want to wire up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eBatch 1 of this card had a design error that required scratching out a trace and soldering a wire between two chip legs. These cards will arrive pre-scratched, but you'll need to add the wire as part of assembling the board.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNote 2: \u003c\/strong\u003eThe card select signal isn't individually broken out on this version, but it is still easily accessible on pins 12 and 13 of U6. Similarly, you'll need to tap into a bypass capacitor footprint to power your design.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eParts kit contents: https:\/\/www.digikey.com\/en\/mylists\/list\/H7M66JSUJE\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\"ExBus\" short for Expansion Bus is the name I gave to a multiplexing protocol for PC-style addon cards to the GameTank. ExBus cards get access to 12 bidirectional I\/O lines from the rear expansion port, and this access can be shared between multiple other cards that are connected simultaneously. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExBus is not required for most GameTank games.\u003c\/span\u003e\u003c\/p\u003e","brand":"The GameTank Store","offers":[{"title":"No","offer_id":67961196871968,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true},{"title":"Yes","offer_id":67961196904736,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/4489\/7056\/files\/ProtoboardV1.png?v=1792875785","url":"https:\/\/swag.gametank.zone\/products\/exbus-protoboard-card-pcb","provider":"The GameTank Store","version":"1.0","type":"link"}