Sunlu T3 Firmware Link
Use a reliable SD card (8GB or smaller is ideal). Format it to FAT32 with a 4096-byte allocation size .
The firmware direction pins are inverted relative to your factory wiring. sunlu t3 firmware
Works alongside the ABL probe to map out extreme bed warps. Use a reliable SD card (8GB or smaller is ideal)
or [probe] settings to handle the stock auto-bed leveling sensor. sunlu t3 firmware
What does your T3 have (STM32 or GD32)?
