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STM32H743 MCU (25 MHz crystal)
Pair one of these expansion boards with a Duet 3 Mainboard 6HC
For instance Micro Swiss have suitable linear rail mount for their direct drive
2: https://ldomotion
it is compatible with more 3D printer platforms
Ender 3 Max Hotend Axial / Blower Fan (Ender 3 Max/Ender 3 Max Neo) Duet3D STM32H743 MCU (25 MHz crystal)This custom GDSTime fan paired with custom cable loom for plug and play replacement suitable for Ender 3 Max, Ender 3 Max Neo stock fans with higher quality and longer longevity fan. This is due to some EOL of Creality spare part, and also this is replaced stock sleeve bearing with high quality dual bearing fan. Note: Ender 3 Axial Fan is boot lace ferrules, JST connector for blower. DREMC Fans will have same higher noise profile as stock fan but