Gemini V2 All-in-One 3D Printer Control Board
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Product Overview
The Gemini V2 is a 3D printer control board that integrates both a host and a secondary MCU. It features an onboard Allwinner H5 host and an STM32F405 secondary MCU, allowing it to run the Klipper environment directly and eliminating the need for an external host and data cable connections.
Product Features
- Integrated Design: Onboard Linux host and STM32 microcontroller, capable of running Klipper directly.
- RAM: Gemini V2 upgraded to 1GB DDR3, allowing simultaneous use of CAN and KlipperScreen.
- Expandable Storage: Supports Micro SD card, and can expand WiFi or eMMC modules via the FLY dedicated M.2 interface.
- Peripheral Interfaces: Supports common interfaces such as USB, Micro HDMI, Ethernet, SPI, UART, etc.
- Driver Interfaces: Provides 4 high-voltage driver slots, supporting TMC driver UART/SPI modes.
- Display Support: Supports TFT, HDMI, and USB displays.
Key Differences from Gemini V3
| Item | Gemini V2 | Gemini V3 |
|---|---|---|
| Secondary MCU | STM32F405 | STM32F405 |
| CAN Usage | Requires a CANHAT, which has been discontinued | Onboard CAN transceiver chip |
| DIP Switches | 8-position DIP switch to select USB/CAN/External Type-C connection | 4-position DIP switch to select onboard host or External Type-C connection |
Key Specifications
| Item | Specification |
|---|---|
| Host CPU | Allwinner H5, Quad-core 64-bit Cortex-A53 |
| GPU | Mali 450 |
| RAM | 1GB DDR3 |
| Storage | Micro SD, up to 128GB |
| Secondary MCU | STM32F405 |
| Driver Sockets | 4 high-voltage driver sockets |
| Power Supply | DC 12-24V |
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