20BYJ46

STEP MOTOR 20BYJ46

VEMELHO (12V)

AZUL (D1)

ROSA (D2)

AMARELO (D3)

LARANJA (D4)

REF: STM32驱动小型4相步进电机（ULN2003+20BYJ46)-CSDN博客

28BYJ-48 Stepper Motor Pinout Wiring, Specifications, Uses Guide & Datasheet