🐙【Optional Main Control Chip】Uses 32-bit ARM Cortex-M4 series STM32F446ZET6 or STM32F407ZE main control chip. The two chips support Marlin and Klipper with high frequency.
🐙【Strong DIY Support】This motherboard supports up to 8 stepper drivers with 9 stepper driver outputs in total; And up to 6 PWM fans and 2 always-on fans with the ability to individually select the voltage rail that will drive each fan. Select from Vin, 12V or 5V.
🐙【Motherboard Expansion Function】Support BLTouch, locked-rotor detection, shut down after printing, resume printing after power failure, CAN bus, U disk function, IIC expansion; at the same time reserved WIFI interface, PT100 thermistor interface (optional), dual Z-axis printer.
🐙【TMC2209 Driver Features】The TMC2209 stepper driver is not easy to lose steps and is in an ultra-quiet mode; the module has a large area of heat dissipation pad, which can reduce the temperature of the driver when it is working; the module supports three modes: STEP / DIR and UART.
🐙【TMC2209 Driver Mode】TMC Motor drivers can be used in SPI or UART mode by simply adjusting the onboard jumpers beneath each motor driver. Additionally, you can connect or disconnect the TMC DIAG pin using an onboard jumper allowing you to use hard end-stops or sensorless homing without the need to cut any pins.
Please find the corresponding firmware and chip.
Solid microcontroller, perfect for my custom build. Easy to use (using Klipper on Pad 7), the hardest part was crimping the JST-XH connections for the wires. But JST-XH is vastly better than the Dupont connectors they replaced.
Since other store sell these product indirect money must be made. BTT however is pricewise the best and their service is just perfect! Will buy here again in the future!!
As advertised and the many reviews good product, easy setup and reliable to far for the 30 odd hours of printing done
BIGTREETECH Octopus V1.1 Control Board for Voron 2.4
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