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A4988

Basic Parameters​

  • Suitable for : Marlin/Klipper/RRF firmware
  • Overheat shutdown protection
  • Ground short circuit protection
  • Load short circuit protection

Pin Distribution​

Installing the FLY motherboard​

  • Please note that EN needs to be aligned with the top left corner during installation
  • FLY's DP5, PRO X10, MMU can only use TP drivers

Drive Current Adjustment and Microstepping Explanation​

  • Drive current adjustment explanation
  • The 4988 uses normal jumper cap mode and supports configuring 16 microsteps after connecting four jumpers

Klipper Reference Configuration​

  • The 4988 does not require drive configuration such as [tmc5160 stepper_x] or [tmc2209 stepper_x], it is not needed, and configuration will prevent normal use
  • Set microsteps: to 16