{"title":"CAN Bus","description":"","products":[{"product_id":"u2c-can-interface-board","title":"U2C CAN Interface Board","description":"\u003cp\u003e\u003cstrong\u003eUSB-to-CAN bridge for Klipper CAN-bus toolheads.\u003c\/strong\u003e The BIGTREETECH U2C converts a Raspberry Pi USB connection into CAN bus for 3D-printer control boards and CAN toolhead boards.\u003c\/p\u003e\n\u003ch3\u003eWhy use U2C\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Klipper CAN setups where the Raspberry Pi talks to the printer over \u003cstrong\u003eCAN bus\u003c\/strong\u003e instead of a bundle of individual toolhead wires.\u003c\/li\u003e\n\u003cli\u003eWorks with BIGTREETECH EBB-series toolhead boards, including the live \u003ca href=\"https:\/\/dfh.fm\/products\/btt-sb2040\"\u003eBTT EBB SB2240 CAN V1.0\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eMultiple CAN interface formats make it easier to wire to different boards and harness styles.\u003c\/li\u003e\n\u003cli\u003eCAN bus supports longer runs, many nodes on one bus, and better noise resistance than loose signal wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e USB-to-CAN adapter module for 3D-printer electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost connection:\u003c\/strong\u003e USB from Raspberry Pi \/ Klipper host.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN connection:\u003c\/strong\u003e CAN bus output for motherboards, EBB boards, and other CAN expansion devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV2.0 \/ V2.1 MCU family:\u003c\/strong\u003e STM32G0B1C8, per BIGTREETECH documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Klipper CAN bitrate:\u003c\/strong\u003e 500000 \/ 500K, matching BIGTREETECH's setup guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV2.1 hardware notes:\u003c\/strong\u003e Type-C ESD protection, ENIG PCB finish, SWD \/ hardware DFU firmware update support, and selectable CAN termination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntended use\u003c\/h3\u003e\n\u003cp\u003eUse this board when converting a Voron, RatRig, VZBot, or other Klipper-based printer to CAN-bus toolhead wiring. Pair it with a CAN toolhead board and proper harnessing such as the \u003ca href=\"https:\/\/dfh.fm\/products\/btt-3m-can-bus-cable\"\u003eBTT 3m CAN Bus Cable\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eVersion guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eV1 \/ V1.1:\u003c\/strong\u003e earlier U2C revisions for USB-to-CAN use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV2.1:\u003c\/strong\u003e current 3-CAN-output revision documented by BIGTREETECH \/ BIQU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the CAN interface board, not a toolhead driver board by itself.\u003c\/li\u003e\n\u003cli\u003eCAN wiring still needs correct power, ground, CAN-H \/ CAN-L orientation, firmware, and termination.\u003c\/li\u003e\n\u003cli\u003eOnly terminate the bus at the correct endpoints; follow your toolhead-board and Klipper wiring guide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“Worked perfectly with EBB36 and Eric Zimmerman’s guide.”\u003c\/blockquote\u003e","brand":"BigTreeTech","offers":[{"title":"1","offer_id":44747814437086,"sku":"4354277179","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1.1","offer_id":42967054942430,"sku":"4354277180","price":40.0,"currency_code":"USD","in_stock":false},{"title":"2.1","offer_id":43296871448798,"sku":"8285265098","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/image_96dff066-37d5-4823-8745-a6e2305a00da.jpg?v=1653187471"},{"product_id":"ebb36","title":"EBB36 CAN Toolhead Board","description":"\u003cp\u003eBoth boards are functionally identical. I’ve lowered the price on 1.0 boards because people will always choose the higher number. \u003c\/p\u003e\n\u003cp\u003e1.0 uses ARM Cortex-M0 STM32F072C8T6 48MHz\u003c\/p\u003e\n\u003cp\u003e1.1 uses ARM Cortex-M0+ STM32G0B1CBT6 64MHz.\u003c\/p\u003e\n\u003cp\u003e1.2 is pretty much 1.1, but without the firmware heater bug.\u003c\/p\u003e\n\u003cp\u003eConfused yet? Just wait until you start wiring it up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE READ DISCLAIMER AT BOTTOM OF PAGE.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMCU: Listed above\u003c\/li\u003e\n\u003cli\u003eStepper Dirver: Onboard TMC2209 in UART mode, UART address: 00, Rsense: 0.11R\u003c\/li\u003e\n\u003cli\u003eOnboard Accelerometer Sensor: ADXL345\u003c\/li\u003e\n\u003cli\u003eOnboard Temperature IC: Max31865 Select 2 \/ 4 lines PT100 \/ PT1000 by DIP switch\u003c\/li\u003e\n\u003cli\u003eInput Voltage: DC12V-DC24V 6A\u003c\/li\u003e\n\u003cli\u003eLogic Voltage: DC 3.3V\u003c\/li\u003e\n\u003cli\u003eHeating Interface: Hotend (E0), maximum output current: 5A\u003c\/li\u003e\n\u003cli\u003eFan Interfaces: two CNC fans (FAN0, FAN1)\u003c\/li\u003e\n\u003cli\u003eMaximum Output Current of Fan Interface: 1A, Peak Value 1.5A\u003c\/li\u003e\n\u003cli\u003eExpansion Interfaces: EndStop, I2C, Probe, RGB, PT100\/PT1000, USB interface, CAN Interface\u003c\/li\u003e\n\u003cli\u003eTemperature Sensor Interface Optional: 1 Channel 100K NTC or PT1000(TH0), 1 Channel PT100\/PT1000\u003c\/li\u003e\n\u003cli\u003eUSB Communication Interface: USB-Type-C\u003c\/li\u003e\n\u003cli\u003eDC 5V Maximum Output Current: 1A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1.0 does have a beneft over the 1.1, as the 1.1 has some issues when in DFU mode. Just pay attention and 1.1 will be just fine. Disclaimer and instructions may be found here: [\u003ca title=\"Link to BTT EBB 1.1 Warning\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/EBB36_42_V1.1_Cautions.pdf?v=1653981537\" target=\"_blank\"\u003eDISCLAIMER\u003c\/a\u003e]\u003c\/p\u003e\n\u003cp\u003eG0B1 includes max chip. A31865\u003cstrong\u003e DOES NOT.\u003c\/strong\u003e\u003c\/p\u003e","brand":"BigTreeTech","offers":[{"title":"1","offer_id":44747814404318,"sku":"2622743669","price":19.99,"currency_code":"USD","in_stock":false},{"title":"1.1","offer_id":42869488910558,"sku":"2622743670","price":24.99,"currency_code":"USD","in_stock":false},{"title":"1.2 (G0B1) (With MAX)","offer_id":43094462759134,"sku":"5008825040","price":39.99,"currency_code":"USD","in_stock":true},{"title":"1.2 (A31865) (No MAX)","offer_id":43513884639454,"sku":"7080503694","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled30_b9fe0ba0-26c5-4f7e-9f13-c0b871bd659a.png?v=1653187215"},{"product_id":"igus-chainflex®-cf113-007-d","title":"Igus Chainflex® CF113-007-D","description":"\u003csection\u003e\n\u003cp\u003e\u003cstrong\u003eIgus Chainflex® CF113-007-D measuring system cable — sold by the foot.\u003c\/strong\u003e The drop cable Klipper builders reach for when a toolhead umbilical has to bend forever without breaking. \u003cstrong\u003e(4×0.34 mm²) star-quad, 22 AWG, shielded, PUR outer jacket (yellow-green, RAL 6018), halogen-free, oil-resistant, flame-retardant\u003c\/strong\u003e — built for permanent flexing in e-chain® systems, including the \u003cem\u003eVoron 2.4 \/ Trident \/ V0\u003c\/em\u003e toolhead-to-MCU umbilical and any CAN bus, sensor or 22 AWG signal run that has to survive millions of cycles at 10 m\/s.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eOne unit = 1 foot. Need a different length? Just add the number of feet to your cart.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch3\u003eWhy this cable over generic stranded wire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for permanent flex.\u003c\/strong\u003e igus® classifies CF113.D as \u003cem\u003eClass 6.5.3.1\u003c\/em\u003e — the highest e-chain® service-life band (extremely heavy duty). The jacket is pressure-extruded \u003cstrong\u003ePUR\u003c\/strong\u003e around a TPE inner jacket, with bending-stable tinned-copper conductors and tinned-copper braiding (≈70% linear \/ ≈90% optical coverage) on each element \u003cem\u003eand\u003c\/em\u003e the overall cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar-quad stranding.\u003c\/strong\u003e The (4×0.34 mm²)C layout keeps the two twisted pairs length-matched and tightly coupled — exactly what \u003cstrong\u003eCAN bus\u003c\/strong\u003e wants for clean differential signalling, and equally good for sensor \/ probe runs where common-mode noise kills accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22 AWG, 4 conductors, 6.5 mm OD.\u003c\/strong\u003e Enough copper to carry a single hotend heater (or two in parallel) plus two signal pairs, in a thin flexible jacket that doesn't fight your cable chain. Not rated to feed a long heater + part-cooling fan from a single cable — pick CF11x with a power pair for that.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCFRIP® tear strip.\u003c\/strong\u003e Strip the jacket in seconds, no nick-in-the-insulation risk on the inner cores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePUR over PVC.\u003c\/strong\u003e Halogen-free, coolant- and oil-resistant per \u003cstrong\u003eDIN EN 50363-10-2\u003c\/strong\u003e, flame retardant to \u003cstrong\u003eIEC 60332-1-2 \/ VW-1 \/ FT-1\u003c\/strong\u003e, hydrolysis- and microbe-resistant — survives hot enclosed printer electronics, coolant mist, and a greasy workshop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal specs, not marketing.\u003c\/strong\u003e Classified for e-chain® linear travel up to \u003cstrong\u003e100 m\u003c\/strong\u003e, max speed \u003cstrong\u003e10 m\/s\u003c\/strong\u003e unsupported \/ \u003cstrong\u003e5 m\/s\u003c\/strong\u003e gliding, max acceleration \u003cstrong\u003e50 m\/s²\u003c\/strong\u003e. \u003cstrong\u003e36-month\u003c\/strong\u003e igus® chainflex® guarantee.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number (MPN):\u003c\/strong\u003e Igus® CF113-007-D (chainflex® CF113.D series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor:\u003c\/strong\u003e 4× 22 AWG (0.34 mm²), tinned fine-wire stranded copper, DIN EN 60228\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStranding:\u003c\/strong\u003e Star-quad (2 pairs), per igus® spec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e white, green, brown, yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor insulation:\u003c\/strong\u003e TPE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElement shield:\u003c\/strong\u003e tinned-copper braid, ≈70% linear \/ ≈90% optical coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner jacket:\u003c\/strong\u003e TPE, gusset-filling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall shield:\u003c\/strong\u003e tinned-copper braid, ≈70% linear \/ ≈90% optical coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter jacket:\u003c\/strong\u003e Low-adhesion, abrasion-resistant PUR (DIN EN 50363-10-2), yellow-green (RAL 6018)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCFRIP®:\u003c\/strong\u003e tear strip moulded into inner jacket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 6.5 mm (0.26\") max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper index:\u003c\/strong\u003e 31 kg\/km (20.8 lbs\/mft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 54.0 kg\/km (36.3 lbs\/mft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. bend radius, e-chain®:\u003c\/strong\u003e 7.5 × d (45.0 mm \/ 1.8\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. bend radius, flexible:\u003c\/strong\u003e 6.0 × d (36.0 mm \/ 1.4\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. bend radius, fixed:\u003c\/strong\u003e 4.0 × d (24.0 mm \/ 0.9\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature, e-chain®:\u003c\/strong\u003e -25 °C to +80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature, flexible:\u003c\/strong\u003e -40 °C to +80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature, fixed:\u003c\/strong\u003e -50 °C to +80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ev max unsupported \/ gliding:\u003c\/strong\u003e 10 m\/s \/ 5 m\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ea max:\u003c\/strong\u003e 50 m\/s²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel distance:\u003c\/strong\u003e up to 100 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService life class:\u003c\/strong\u003e 6.5.3.1 (extremely heavy duty)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL\/CSA AWM, CE, RoHS-II, DESINA, DNV-GL, EAC, CTP, NFPA 79-2012 ch. 12.9, IEC 60332-1-2, VW-1, FT-1, ISO Class 1 cleanroom, MUD-resistant per NEK 606:2009\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch3\u003eIntended use \/ machine fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoron 2.4 \/ Trident\u003c\/strong\u003e toolhead-to-MCU CAN bus umbilical (pairs with \u003ca href=\"https:\/\/dfh.fm\/products\/u2c-can-interface-board\"\u003eU2C CAN Interface Board\u003c\/a\u003e and \u003ca href=\"https:\/\/dfh.fm\/products\/ebb36\"\u003eEBB36 CAN Toolhead Board\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoron V0\u003c\/strong\u003e round-motor toolhead umbilical (pairs with the \u003ca href=\"https:\/\/dfh.fm\/products\/voron-v0-umbilical-toolhead-board-for-round-motor\"\u003eVoron V0 Umbilical Toolhead Board for Round Motor\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERCF \/ Klipper\u003c\/strong\u003e CAN toolhead drop, encoder \/ probe runs, hotend-sensor drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D printer cable chains (e-chain®)\u003c\/strong\u003e in general — drop this in the same chain that holds your Igus \u003ca href=\"https:\/\/dfh.fm\/products\/igus-e21-10-10-018-50-links-and-e2-100-10-34pz-bracket-set\"\u003eE21-10 chain\u003c\/a\u003e for a matched flex-life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch3\u003eHow much do I need?\u003c\/h3\u003e\n\u003cp\u003eBuyers typically order \u003cstrong\u003e5–8 ft\u003c\/strong\u003e for a Voron 2.4 \/ Trident toolhead umbilical (most users land around 6 ft toolhead-to-MCU), and \u003cstrong\u003e~1–2 ft\u003c\/strong\u003e for a Voron V0 round-motor umbilical. Add 1–2 ft of slack for service loops and strain relief. Listing is priced per foot — order the number of feet you need.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch3\u003eWhat it is \u003cem\u003enot\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a power cable.\u003c\/strong\u003e 22 AWG \/ 4 cores is for a single hotend and signal pairs only. For longer runs, high-amperage heaters, or bundled bed \/ part-cooling power, step up to a heavier chainflex® variant (CF11x with a power pair) or run power and signal separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a generic hookup wire.\u003c\/strong\u003e PVC hookup wire and silicone wire will fail in millions of e-chain® cycles. The PUR \/ TPE \/ braid stack is the point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot terminated.\u003c\/strong\u003e This is bulk cable by the foot — no connectors, no JSTs, no ferrules. Crimp \/ solder \/ solder-seal to your own spec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n","brand":"Igus","offers":[{"title":"Default Title","offer_id":42895820849374,"sku":"4506907762","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitleds41.png?v=1654205191"},{"product_id":"cb-c2-can-bus-for-clockwork-2-kit-by-kejar31","title":"CB-C2 (CAN Bus for Clockwork 2) Kit - by kejar31","description":"\u003cp\u003eEBB36 mount for Voron Clockwork 2, with a cover to protect from the Z-Chain on the Voron 2.4, Trident and Switchwire.\u003c\/p\u003e\n\u003cp\u003eRepo is available \u003ca title=\"link to cb-c2 repo\" href=\"https:\/\/github.com\/kejar31\/VoronMods\/tree\/main\/CB-C2\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eKit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eM3x4 BHCS x 2\u003c\/li\u003e\n\u003cli\u003eM3x6 BHCS x 1\u003c\/li\u003e\n\u003cli\u003eM3x8 BHCS x 2\u003c\/li\u003e\n\u003cli\u003eM3x6 SHCS x 1\u003c\/li\u003e\n\u003cli\u003eM3x8 SHCS x 1\u003c\/li\u003e\n\u003cli\u003eM3x30 SHCS x 2\u003c\/li\u003e\n\u003cli\u003eM3x35 SHCS x 1\u003c\/li\u003e\n\u003cli\u003eM3 nut x 1\u003c\/li\u003e\n\u003cli\u003eM3 3x5x4 Threaded Insert x 8\u003c\/li\u003e\n\u003cli\u003eM12.5 Cable Gland x 1\u003c\/li\u003e\n\u003cli\u003eSunon MF20100V1-1000U-A99 2010 fan x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDepending on application, you may require an additional Cable Gland, available for purchase \u003ca href=\"https:\/\/dfh.fm\/products\/m12-nylon-cable-gland\" title=\"link to cable gland\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/dfh.fm\/products\/m12-nylon-cable-gland\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eEBB36 CAN bus board available \u003ca href=\"https:\/\/deepfriedhero.in\/products\/ebb36\" title=\"link to btt can bus ebb36\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":43117617676510,"sku":"1592426410","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/blingbling2.jpg?v=1657846306"},{"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"},{"product_id":"btt-3m-can-bus-cable","title":"BTT 3m CAN Bus Cable","description":"\u003cp\u003e\u003cstrong\u003eOriginal BigTreeTech CAN bus cable for clean Klipper toolhead wiring.\u003c\/strong\u003e This 3m BTT CAN cable is the plug-and-route harness used with BTT CAN toolhead setups, especially StealthBurner-style EBB SB2209\/SB2240 installs.\u003c\/p\u003e\n\u003ch3\u003eWhy use this over building a harness from scratch?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-terminated BTT CAN cable:\u003c\/strong\u003e sold by BigTreeTech as the “Only CAN Cable” option for the EBB SB2209\/SB2240 CAN\/USB StealthBurner product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3m length:\u003c\/strong\u003e enough reach for most enclosed Voron-style motion paths without splicing short leads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner toolhead wiring:\u003c\/strong\u003e routes CAN communication and toolhead power through one dedicated cable path instead of a large bundle of individual wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e BigTreeTech \/ BTT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer SKU \/ MPN:\u003c\/strong\u003e 3040020490\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse case:\u003c\/strong\u003e CAN bus toolhead wiring for Klipper printers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual ID:\u003c\/strong\u003e black flat harness with molded connector and visible green\/yellow twisted CAN pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and pairing\u003c\/h3\u003e\n\u003cp\u003eUse this with a CAN toolhead board such as the \u003ca href=\"https:\/\/dfh.fm\/products\/btt-sb2040\"\u003eBTT EBB SB2240 CAN V1.0\u003c\/a\u003e and a host-side CAN adapter such as the \u003ca href=\"https:\/\/dfh.fm\/products\/u2c-can-interface-board\"\u003eU2C CAN Interface Board\u003c\/a\u003e. If you prefer cutting and terminating your own umbilical, compare it with \u003ca href=\"https:\/\/dfh.fm\/products\/igus-chainflex%C2%AE-cf113-007-d\"\u003eIgus Chainflex® CF113-007-D\u003c\/a\u003e sold by the foot.\u003c\/p\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the cable only; it does not include a toolhead board, U2C adapter, CAN terminator, or printer-side mount hardware.\u003c\/li\u003e\n\u003cli\u003eConfirm your board-side connector and pinout before powering the toolhead. CAN wiring mistakes can damage electronics.\u003c\/li\u003e\n\u003cli\u003eFor EBB36\/EBB42 or non-StealthBurner layouts, check connector compatibility before assuming it is drop-in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BigTreeTech","offers":[{"title":"Default Title","offer_id":44099652616414,"sku":"1021754218","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/1_5_600x_66a031c1-a99f-425b-b408-624c1b432e57.jpg?v=1679719988"},{"product_id":"btt-sb2040","title":"BTT EBB SB2240 CAN V1.0","description":"\u003cp\u003e\u003cstrong\u003eBIGTREETECH EBB SB2240 CAN V1.0 is a Klipper toolhead board for Voron StealthBurner builds.\u003c\/strong\u003e It puts the extruder driver, hotend outputs, fans, probe\/sensor wiring, ADXL345 accelerometer, and USB\/CAN communication on the toolhead to cut the moving harness down to a cleaner CAN or USB setup.\u003c\/p\u003e\n\u003ch3\u003eWhy use this board\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStealthBurner-specific layout:\u003c\/strong\u003e the EBB SB2240\/2209 CAN V1.0 family is documented by BIGTREETECH for Voron StealthBurner toolhead use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTMC2240 version:\u003c\/strong\u003e onboard TMC2240 stepper driver in SPI mode for the extruder motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner toolhead wiring:\u003c\/strong\u003e supports CAN bus or USB communication instead of running every hotend, fan, probe, and extruder lead back through the cable chain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in input-shaper hardware:\u003c\/strong\u003e onboard ADXL345 accelerometer for resonance measurement in Klipper.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard:\u003c\/strong\u003e BIGTREETECH EBB SB2240 CAN V1.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Voron StealthBurner toolhead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e Klipper only, per BIGTREETECH documentation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCU:\u003c\/strong\u003e STM32G0B1CBT6 Arm Cortex-M0+ at 64 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepper driver:\u003c\/strong\u003e onboard TMC2240, SPI mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e CAN bus or USB Type-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput power:\u003c\/strong\u003e DC \u003cstrong\u003e12–24V\u003c\/strong\u003e, rated \u003cstrong\u003e9A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHotend heater output:\u003c\/strong\u003e E0, up to \u003cstrong\u003e5A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFans:\u003c\/strong\u003e two controllable fan outputs plus one 4-wire fan interface; fan output up to \u003cstrong\u003e1A\u003c\/strong\u003e each, \u003cstrong\u003e1.5A\u003c\/strong\u003e peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensors \/ expansion:\u003c\/strong\u003e EndStop, ABL, RGB, PT100\/PT1000, USB, CAN, SPI; onboard ADXL345\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard size:\u003c\/strong\u003e \u003cstrong\u003e68.5 × 42.5 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/u2c-can-interface-board\"\u003eU2C CAN Interface Board\u003c\/a\u003e when your controller setup needs a USB-to-CAN bridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/btt-3m-can-bus-cable\"\u003eBTT 3m CAN Bus Cable\u003c\/a\u003e for a ready CAN harness run.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/voron-stealthburner-fastener-and-led-kit\"\u003eVoron Stealthburner Fastener and LED Kit\u003c\/a\u003e if you are refreshing the StealthBurner assembly around the electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is the \u003cstrong\u003eSB2240 \/ TMC2240\u003c\/strong\u003e version, not the SB2209 \/ TMC2209 version.\u003c\/li\u003e\n\u003cli\u003eUse the VUSB jumper only when powering the board over USB for flashing or setup; follow BIGTREETECH wiring docs before applying printer power.\u003c\/li\u003e\n\u003cli\u003eCAN setup still requires correct firmware, termination, and host configuration. If you want simpler commissioning, check whether USB mode fits your build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“Perfect, follow directions flashes as intended.”\u003c\/blockquote\u003e","brand":"BigTreeTech","offers":[{"title":"Default Title","offer_id":44099657203934,"sku":"3429332652","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/2240-2_600x_4fe7d4d9-900d-4297-846b-341efb65bbc5.jpg?v=1679720202"}],"url":"https:\/\/formosissima.myshopify.com\/collections\/can-bus.oembed","provider":"dfh.fm","version":"1.0","type":"link"}