explorerzero.py

from gpiozero import LEDBoard, Motor

class ExplorerHat:
    def __init__(self, pwm=False):
        self.leds = LEDBoard(blue=4, yellow=17, red=27, green=5,
                             _order=('blue', 'yellow', 'red', 'green'),
                             pwm=pwm
                    )
        self.motor_1 = Motor(forward=20, backward=19)
        self.motor_2 = Motor(forward=26, backward=21)