Greendhat A4498 Motherboard for ET4 3D Printer - STM32F407 Mainboard Replacement

Greendhat Professional A4498 Motherboard for ET4 3D Printer

This is a reliable and durable motherboard replacement designed for the ET4 3D printer. It features a compact design and is built for high reliability.

Key Features

• High quality for professional use.
• Equipped with a 32-bit high-speed ARM chip (STM32F407) running at up to 168MHZ, featuring an FPU for faster data processing.
• The circuit board is a high-quality two-layer board with optimized heat dissipation.
• Uses high-quality MOSFET tubes for improved heat dissipation.
• Includes a dedicated power chip supporting 12-24V input.
• Accepts 24V input, reducing hot bed current to 1/4 of the same system power to effectively address hot bed MOS tube heating issues.

Specifications

• Size: Approximately 90x70mm
• Micro process: STM32F407
• Input voltage: 8V-35V
• Motor driver: A4498
• Sensor type: 100K NTC thermal resistance
• Touch screen: 2.8 inch TFT
• Firmware update: Supports TF card, U disk update
• Printing method: Supports offline/online printing

Package Includes

• 1x Motherboard