A4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module June_2023_update (3) Make sure your skin

(3) Make sure your skin is free from any dirt

just drill a hole and it slides straight in

This reusable mug can drink directly or insert a straw according your preference

comes with 2 Rubber Gaskets

Expanding it gently

A4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module June_2023_update (3) Make sure your skinA4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module Parameter Information: Input Voltage: 5V 9V Output Voltage: 9V Features: The A4988 DRV8825 can be used, pay attention to the direction when inserting, otherwise the drive may be burnt. Jm connects the motor. Jv connects 5V and 12V 24V power supplies. Jc E S D G corresponds to the Enable Step Direction Gnd drive signal output on the connection.