{"product_id":"btt-octopus-max-ez","title":"BTT Octopus Max EZ","description":"\u003cp\u003e\u003cstrong\u003eBIGTREETECH Octopus MAX EZ V1.0 is a 32-bit 3D-printer control board for large Klipper or Marlin builds that need ten EZ driver channels, CAN, protected thermistor inputs, and flexible fan power.\u003c\/strong\u003e It is the upgraded Octopus-family board built around a 550 MHz STM32H723ZET6 ARM Cortex-M7 MCU, with pinless EZ driver sockets and onboard UART\/SPI driver configuration.\u003c\/p\u003e\n\u003ch3\u003eWhy this board over a standard Octopus\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 EZ driver sockets\u003c\/strong\u003e for high-axis-count CoreXY, toolchanger, multi-extruder, or large-format builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware-set UART\/SPI\u003c\/strong\u003e for compatible BIGTREETECH EZ drivers — no driver-mode jumper maze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard protection where mistakes happen:\u003c\/strong\u003e eFuse protection, protected thermistor circuits, replaceable fuse, and selectable 5V\/12V\/24V CNC fan voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKlipper-friendly expansion:\u003c\/strong\u003e CAN, SPI for accelerometer\/input shaping, BLTouch\/probe, RGB, filament sensor, PS-ON, TFT, and MINI12864 display headers.\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 Octopus MAX EZ V1.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCU:\u003c\/strong\u003e STM32H723ZET6, 32-bit ARM Cortex-M7 at \u003cstrong\u003e550 MHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard size:\u003c\/strong\u003e \u003cstrong\u003e160 × 100 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage:\u003c\/strong\u003e motherboard VIN \u003cstrong\u003e12V or 24V DC\u003c\/strong\u003e; heated bed input 12V or 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver power:\u003c\/strong\u003e selectable \u003cstrong\u003e24V \/ HV up to 56V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepper channels:\u003c\/strong\u003e \u003cstrong\u003e10\u003c\/strong\u003e EZ driver sockets; UART\/SPI driver modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaters:\u003c\/strong\u003e heated bed plus HE0, HE1, HE2, HE3 cartridge outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermistors:\u003c\/strong\u003e 5× 100K NTC inputs; four channels selectable for PT1000 use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFans:\u003c\/strong\u003e FAN0–FAN3 2-wire CNC, FAN4–FAN6 4-wire CNC, plus 2× always-on 24V fan ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e Klipper or Marlin; firmware update by SD card or DFU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC interface:\u003c\/strong\u003e USB Type-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment and pairing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGood fit for Voron, VZBot, large CoreXY, Cartesian, Delta, Kossel, Ultimaker-style, multi-extruder, and toolchanger projects that need more driver outputs than a smaller controller.\u003c\/li\u003e\n\u003cli\u003eUse EZ-format drivers such as the \u003ca href=\"https:\/\/dfh.fm\/products\/btt-ez2209-stepper-motor-driver\"\u003eBTT EZ2209 Stepper Motor Driver\u003c\/a\u003e for standard UART stepper channels or the \u003ca href=\"https:\/\/dfh.fm\/products\/btt-ez5160-pro-stepper-motor-driver\"\u003eBTT EZ5160 PRO Stepper Motor Driver\u003c\/a\u003e when you need high-voltage SPI driver capability.\u003c\/li\u003e\n\u003cli\u003eWorks well with a \u003ca href=\"https:\/\/dfh.fm\/products\/btt-mini12864-v2-0\"\u003eBTT MINI12864 V2.0\u003c\/a\u003e when you want a local screen.\u003c\/li\u003e\n\u003cli\u003eFor CAN toolhead builds, pair the controller with a live toolhead board such as the \u003ca href=\"https:\/\/dfh.fm\/products\/ebb36\"\u003eEBB36 CAN Toolhead Board\u003c\/a\u003e; the \u003ca href=\"https:\/\/dfh.fm\/products\/u2c-can-interface-board\"\u003eU2C CAN Interface Board\u003c\/a\u003e is useful when you want a separate USB-to-CAN adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEZ drivers are not included.\u003c\/strong\u003e This board uses BIGTREETECH EZ-format pinless drivers; standard StepStick-style drivers are not the intended socket format.\u003c\/li\u003e\n\u003cli\u003eCheck the fan-voltage jumpers before powering fans. The board supports 5V, 12V, and 24V fan rails, but the wrong jumper can kill the fan.\u003c\/li\u003e\n\u003cli\u003eThe PT1000 jumper method is convenient, but BTT notes it is less accurate than a dedicated MAX31865-style RTD interface.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BigTreeTech","offers":[{"title":"Default Title","offer_id":44496186540254,"sku":"8001546235","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/1-10_650x_webp.png?v=1699405895","url":"https:\/\/formosissima.myshopify.com\/products\/btt-octopus-max-ez","provider":"dfh.fm","version":"1.0","type":"link"}