{"product_id":"btt-io2can","title":"BTT IO2CAN","description":"\u003cp\u003e\u003cstrong\u003eBIGTREETECH IO2CAN V1.0 adds a CAN interface to 40-pin GPIO host boards\u003c\/strong\u003e using the MCP2515 SPI-to-CAN controller path documented by BIGTREETECH.\u003c\/p\u003e\n\u003ch3\u003eWhy use IO2CAN instead of a USB CAN adapter?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUses the host board’s 40-pin GPIO\/SPI header, keeping the external USB ports free.\u003c\/li\u003e\n\u003cli\u003eHardware selector supports Raspberry Pi\/CM4 orientation and BIGTREETECH CB1 orientation per the official BIGTREETECH setup guide.\u003c\/li\u003e\n\u003cli\u003eGood fit when your Klipper host is already mounted close to the electronics bay and you want a compact CAN HAT-style board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BIGTREETECH IO2CAN V1.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN controller path:\u003c\/strong\u003e MCP2515 SPI-to-CAN setup documented by BIGTREETECH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost interface:\u003c\/strong\u003e 40-pin GPIO header for Raspberry Pi \/ CM4-style hosts or BIGTREETECH CB1 setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware setting:\u003c\/strong\u003e RPi\/CM4 and CB1 selector switch positions are different; follow the official IO2CAN guide before powering up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Klipper CAN bitrate:\u003c\/strong\u003e \u003cstrong\u003e500000\u003c\/strong\u003e in BIGTREETECH’s example configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntended use\u003c\/h3\u003e\n\u003cp\u003eUse this as the host-side CAN interface for Klipper printers running CAN toolhead hardware such as an \u003ca href=\"https:\/\/dfh.fm\/products\/ebb36\"\u003eEBB36 CAN Toolhead Board\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/btt-sb2040\"\u003eBTT EBB SB2240 CAN V1.0\u003c\/a\u003e, or \u003ca href=\"https:\/\/dfh.fm\/products\/btt-3m-can-bus-cable\"\u003eBTT 3m CAN Bus Cable\u003c\/a\u003e wiring path. For a host SBC in the same ecosystem, see the \u003ca href=\"https:\/\/dfh.fm\/products\/btt-pi-v1-2\"\u003eBTT Pi V1.2\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is not a USB-to-CAN adapter; if you specifically need USB, compare it against the \u003ca href=\"https:\/\/dfh.fm\/products\/u2c-can-interface-board\"\u003eU2C CAN Interface Board\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eSoftware setup is required. BIGTREETECH’s guide uses SPI, MCP2515 overlay settings, CAN network configuration, and Klipper’s \u003ccode\u003ecanbus_query.py\u003c\/code\u003e workflow.\u003c\/li\u003e\n\u003cli\u003eCAN toolhead boards, cables, and the host computer are separate unless explicitly included in your cart.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“Perfect can hat for the application”\u003c\/blockquote\u003e","brand":"BigTreeTech","offers":[{"title":"Default Title","offer_id":44010693329118,"sku":"4171265905","price":12.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/01_fc7aec52-f5cf-4b13-bef9-d0ee635b87da.jpg?v=1677108260","url":"https:\/\/formosissima.myshopify.com\/products\/btt-io2can","provider":"dfh.fm","version":"1.0","type":"link"}