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General| Flash Memory | 512 KB |
|---|---|
| RAM | 128 KB |
| Input Voltage | 12V-24V DC |
| Operating Voltage | 3.3V |
| Clock Speed | 180 MHz |
| PC Communication Interface | USB |
| Supported File Format | G-code |
| Ethernet | No |
| Wi-Fi | No |
| Bluetooth | No |
| Processor | ARM Cortex-M4 STM32F446ZET6 |
| Stepper Driver Support | Up to 8 stepper drivers |
| Connectivity | USB, UART, SPI, I2C |
| Expansion Interface | UART, SPI, I2C |
| Temperature Sensor Interface | Supports thermistors |
| Digital I/O Pins | Available, quantity varies depending on configuration |
| Analog Input Pins | Available, quantity varies depending on configuration |
Detailed list of the Octopus V1.0 motherboard's key features and capabilities.
Technical specifications and physical parameters of the Octopus motherboard.
Instructions for connecting power supply to the Octopus motherboard.
Guide for wiring the automatic power down function using a Relay module.
Wiring diagram for connecting a BL Touch sensor to the motherboard.
Instructions for wiring the power loss recovery module (mini UPS).
How to wire RGB LEDs to the motherboard for lighting effects.
Connecting a Raspberry Pi to the motherboard via USB or UART/SPI.
Configuration of stepper drivers using Step/Dir mode and jumpers.
How to configure stepper drivers using UART mode.
How to configure stepper drivers using SPI mode.
Setting voltage for fan and proximity sensor headers using jumpers.
Configuring Stallguard feature for TMC drivers using jumpers.
Using the MCU power jumper for USB-C powered firmware updates.
Dimensions and mounting hole specifications for the motherboard.
Overview of the various connectors on the Octopus motherboard.
Pinout details for motherboard connectors, referencing PINS.pdf.
Clarification on potential silkscreen errors for SPI3 and Raspberry Pi UART interfaces.
Tables detailing jumper settings for common stepper drivers.
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