Ejemplo n.º 1
0
def handleMessage(message):
    angle_coef = 20
    global readyToRide
    # print('delivered : '+ str(message[0]))
    if message[0] == 254:
        return
    if message[0] == 255:
        mid_motor.stop()

    if message[0] % 4 == 1:
        Leds.set_color(Leds.RIGHT, Leds.RED)
        Leds.set_color(Leds.LEFT, Leds.GREEN)
        left_motor.run_forever(speed_sp=-1000)
        if (min((message[0] - 128) // 4 * angle_coef, 1000) < -800):
            right_motor.run_forever(speed_sp=min((message[0] - 128) // 4 *
                                                 angle_coef, 1000))
        else:
            right_motor.run_forever(speed_sp=-1000)
        print(-1000, min(-1000 + message[0] // 4 * angle_coef, 1000))
        # Sound.speak('RUN')
        # print("a")
        Sound.speak('Stop')
        print("b")
        print("ya loh")
        Sound.speak('HAHA PAPA CARLO YA OBMANUL TEBIA')
        print("ya loh1")
        sleep(5)
        print("ya loh2")
    if message[0] % 4 == 0:
        Leds.set_color(Leds.RIGHT, Leds.YELLOW)
        right_motor.stop()
        left_motor.stop()
        Sound.speak('Stop')
        print("b")
        print("ya loh")
        Sound.speak('HAHA PAPA CARLO YA OBMANUL TEBIA')
        print("ya loh1")
        sleep(5)
        print("ya loh2")
    if message[0] % 4 == 2:
        Leds.set_color(Leds.LEFT, Leds.RED)
        Leds.set_color(Leds.RIGHT, Leds.GREEN)
        if (min((message[0] - 128) // 4 * angle_coef, 1000) < -800):
            left_motor.run_forever(speed_sp=min((message[0] - 128) // 4 *
                                                angle_coef, 1000))
        else:
            left_motor.run_forever(speed_sp=-1000)
        right_motor.run_forever(speed_sp=-1000)
        print(min(-1000 + message[0] // 4 * angle_coef, 1000), -1000)
        Sound.speak('Stop')
        print("b")
        print("ya loh")
        Sound.speak('HAHA PAPA CARLO YA OBMANUL TEBIA')
        print("ya loh1")
        sleep(5)
        print("ya loh2")
    if message[0] % 4 == 3:
        readyToRide = True
        left_motor.run_forever(speed_sp=-1000)
        right_motor.run_forever(speed_sp=-1000)
Ejemplo n.º 2
0
def blink_green():
    """blink the LED green"""
    try:
        from ev3dev.ev3 import Leds
        Leds.set_color(Leds.LEFT, Leds.GREEN)
        Leds.set_color(Leds.RIGHT, Leds.GREEN)
        Leds.set(Leds.LEFT, brightness_pct=0.5, trigger='timer')
        Leds.set(Leds.RIGHT, brightness_pct=0.5, trigger='timer')
    except Exception as ex:
        logging.getLogger(__name__).error(str(ex))
Ejemplo n.º 3
0
 def wait_for_load(self):
     Leds.set_color(Leds.LEFT, Leds.RED)
     while (True):
         if (self.button.any()):
             if (self.button.up):
                 self.load_map()
                 break
             elif (self.button.down):
                 break
         sleep(0.01)
     sleep(2)
Ejemplo n.º 4
0
def solid_green():
    """blink the LED green"""
    try:
        from ev3dev.ev3 import Leds
        Leds.set_color(Leds.LEFT, Leds.GREEN)
        Leds.set_color(Leds.LEFT, Leds.GREEN)
        Leds.set(Leds.LEFT, trigger='default-on')
        Leds.set(Leds.RIGHT, trigger='default-on')
        time.sleep(0.5)
        Leds.all_off()
    except Exception as ex:
        logging.getLogger(__name__).error(str(ex))
Ejemplo n.º 5
0
def all_green():
    process = robot.scan(200)
    g_count = 0
    for i, j in process:
        if i == Color.GREEN:
            g_count += 1

    if g_count == len(process):
        Leds.set_color(Leds.RIGHT, Leds.GREEN)
        Leds.set_color(Leds.LEFT, Leds.GREEN)
        Sound.speak("good to go, all green").wait()
        Leds.all_off()
        return True
    else:
        return False
Ejemplo n.º 6
0
def play_leds():
    """Indicate that we've started"""
    from ev3dev.ev3 import Leds
    # save current state
    saved_state = [led.brightness_pct for led in Leds.LEFT + Leds.RIGHT]
    Leds.all_off()
    time.sleep(0.1)
    for _ in range(1):
        for color in (Leds.RED, Leds.YELLOW, Leds.GREEN):
            for group in (Leds.LEFT, Leds.RIGHT):
                Leds.set_color(group, color)
            time.sleep(0.1)
    Leds.all_off()
    time.sleep(0.5)
    for led, level in zip(Leds.RIGHT + Leds.LEFT, saved_state):
        led.brightness_pct = level
Ejemplo n.º 7
0
class Ev3rstorm:
    def __init__(self,
                 left_foot_track_motor_port: str = OUTPUT_B,
                 right_foot_track_motor_port: str = OUTPUT_C,
                 bazooka_blast_motor_port: str = OUTPUT_A,
                 touch_sensor_port: str = INPUT_1,
                 color_sensor_port: str = INPUT_3,
                 ir_sensor_port: str = INPUT_4,
                 driving_ir_beacon_channel: int = 1,
                 shooting_ir_beacon_channel: int = 2):
        self.left_foot_track_motor = LargeMotor(
            address=left_foot_track_motor_port)
        self.right_foot_track_motor = LargeMotor(
            address=right_foot_track_motor_port)

        self.bazooka_blast_motor = MediumMotor(
            address=bazooka_blast_motor_port)

        self.ir_sensor = InfraredSensor(address=ir_sensor_port)
        self.driving_remote_control = RemoteControl(
            sensor=self.ir_sensor, channel=driving_ir_beacon_channel)
        self.shooting_remote_control = RemoteControl(
            sensor=self.ir_sensor, channel=shooting_ir_beacon_channel)

        self.touch_sensor = TouchSensor(address=INPUT_1)
        self.color_sensor = ColorSensor(address=INPUT_3)

        self.leds = Leds()
        self.screen = Screen()

        assert self.left_foot_track_motor.connected
        assert self.right_foot_track_motor.connected
        assert self.bazooka_blast_motor.connected

        assert self.ir_sensor.connected
        assert self.touch_sensor.connected
        assert self.color_sensor.connected

        # reset the motors
        for motor in (self.left_foot_track_motor, self.right_foot_track_motor,
                      self.bazooka_blast_motor):
            motor.reset()
            motor.position = 0
            motor.stop_action = Motor.STOP_ACTION_BRAKE

        self.draw_face()

    def draw_face(self):
        w, h = self.screen.shape
        y = h // 2

        eye_xrad = 20
        eye_yrad = 30

        pup_xrad = 10
        pup_yrad = 10

        def draw_eye(x):
            self.screen.draw.ellipse(
                (x - eye_xrad, y - eye_yrad, x + eye_xrad, y + eye_yrad))

            self.screen.draw.ellipse(
                (x - pup_xrad, y - pup_yrad, x + pup_xrad, y + pup_yrad),
                fill='black')

        draw_eye(w // 3)
        draw_eye(2 * w // 3)
        self.screen.update()

    def shoot(self, direction='up'):
        """
        Shot a ball in the specified direction (valid choices are 'up' and 'down')
        """
        self.bazooka_blast_motor.run_to_rel_pos(
            speed_sp=900,  # degrees per second
            position_sp=-3 * 360 if direction == 'up' else 3 * 360,  # degrees
            stop_action=Motor.STOP_ACTION_BRAKE)
        self.bazooka_blast_motor.wait_while(Motor.STATE_RUNNING)

    def rc_loop(
            self,
            driving_speed: float = 1000  # degrees per second
    ):
        """
        Enter the remote control loop.
        RC buttons on channel 1 control the robot movement, channel 2 is for shooting things.
        The loop ends when the touch sensor is pressed.
        """
        def roll(motor: Motor, led_group: str, speed: float):
            """
            Generate remote control event handler.
            It rolls given motor into given direction (1 for forward, -1 for backward).
            When motor rolls forward, the given led group flashes green, when backward -- red.
            When motor stops, the leds are turned off.
            The on_press function has signature required by RemoteControl class.
            It takes boolean state parameter; True when button is pressed, False otherwise.
            """
            def on_press(state: int):
                if state:
                    # roll when button is pressed
                    motor.run_forever(speed_sp=speed)

                    self.leds.set_color(
                        group=led_group,
                        color=Leds.GREEN if speed > 0 else Leds.RED,
                        pct=1)

                else:
                    # stop otherwise
                    motor.stop(stop_action=Motor.STOP_ACTION_COAST)

                    self.leds.set_color(group=led_group,
                                        color=Leds.BLACK,
                                        pct=1)

            return on_press

        self.driving_remote_control.on_red_up = \
            roll(motor=self.right_foot_track_motor,
                 led_group=Leds.RIGHT,
                 speed=driving_speed)

        self.driving_remote_control.on_red_down = \
            roll(motor=self.right_foot_track_motor,
                 led_group=Leds.RIGHT,
                 speed=-driving_speed)

        self.driving_remote_control.on_blue_up = \
            roll(motor=self.left_foot_track_motor,
                 led_group=Leds.LEFT,
                 speed=driving_speed)

        self.driving_remote_control.on_blue_down = \
            roll(motor=self.left_foot_track_motor,
                 led_group=Leds.LEFT,
                 speed=-driving_speed)

        def shoot(direction: str):
            def on_press(state: int):
                if state: self.shoot(direction)

            return on_press

        self.shooting_remote_control.on_red_up = shoot('up')
        self.shooting_remote_control.on_blue_up = shoot('up')
        self.shooting_remote_control.on_red_down = shoot('down')
        self.shooting_remote_control.on_blue_down = shoot('down')

        # now that the event handlers are assigned,
        # let's enter the processing loop:
        while not self.touch_sensor.is_pressed:
            self.driving_remote_control.process()

            self.shooting_remote_control.process()
Ejemplo n.º 8
0
TAIL_MOTOR = LargeMotor(address=OUTPUT_B)
CHEST_MOTOR = LargeMotor(address=OUTPUT_D)

IR_SENSOR = InfraredSensor(address=INPUT_4)

LIGHTS = Leds()
SPEAKER = Sound()

CHEST_MOTOR.run_timed(speed_sp=-300,
                      time_sp=1000,
                      stop_action=Motor.STOP_ACTION_BRAKE)
CHEST_MOTOR.wait_while(Motor.STATE_RUNNING)

while True:
    if IR_SENSOR.proximity < 30:
        LIGHTS.set_color(group=Leds.LEFT, color=Leds.RED, pct=1)

        LIGHTS.set_color(group=Leds.RIGHT, color=Leds.RED, pct=1)

        MEDIUM_MOTOR.stop(stop_action=Motor.STOP_ACTION_HOLD)

        TAIL_MOTOR.stop(stop_action=Motor.STOP_ACTION_BRAKE)

        SPEAKER.play(wav_file='/home/robot/sound/Snake hiss.wav')

        CHEST_MOTOR.run_timed(speed_sp=1000,
                              time_sp=1000,
                              stop_action=Motor.STOP_ACTION_BRAKE)
        CHEST_MOTOR.wait_while(Motor.STATE_RUNNING)

        MEDIUM_MOTOR.run_forever(speed_sp=1000)
Ejemplo n.º 9
0
    if btn.is_pressed:

        lcd.draw.text((20, 20), 'Sleeping', fill='black')
        lcd.update()
        print('sleeping...')
        measure_thread = Thread(target=dist_measure)
        measure_thread.start()
        sleep(5)
        lcd.clear()
        while not btn.is_pressed:
            if dist_measure() == True:
                while dist_measure() == True:

                    if color.value() != 1:
                        print("True drive")
                        leds.set_color(Leds.LEFT, Leds.GREEN)
                        leds.set_color(Leds.LEFT, Leds.GREEN)
                        motor_left.run_forever(speed_sp=900)
                        motor_right.run_forever(speed_sp=900)
                    else:
                        print("True back")
                        motor_left.stop(stop_action="brake")
                        motor_right.stop(stop_action='brake')
                        motor_left.run_timed(time_sp=1, speed_sp=-750)
                        motor_right.run_timed(time_sp=1, speed_sp=-750)

                motor_left.stop(stop_action="coast")
                motor_right.stop(stop_action='coast')
            elif dist_measure() == False:
                while dist_measure() == False:
Ejemplo n.º 10
0
class Ev3rstorm(RemoteControlledTank):
    def __init__(
            self,
            left_foot_motor_port: str = OUTPUT_B, right_foot_motor_port: str = OUTPUT_C,
            bazooka_blast_motor_port: str = OUTPUT_A,
            touch_sensor_port: str = INPUT_1, color_sensor_port: str = INPUT_3,
            ir_sensor_port: str = INPUT_4, ir_beacon_channel: int = 1):
        super().__init__(
            left_motor=left_foot_motor_port, right_motor=right_foot_motor_port,
            polarity=Motor.POLARITY_NORMAL)
        
        self.bazooka_blast_motor = MediumMotor(address=bazooka_blast_motor_port)

        self.touch_sensor = TouchSensor(address=touch_sensor_port)
        self.color_sensor = ColorSensor(address=color_sensor_port)
        self.ir_sensor = InfraredSensor(address=ir_sensor_port)

        self.leds = Leds()
        self.screen = Screen()
        self.speaker = Sound()


    def keep_detecting_objects_by_ir_sensor(self):
        while True:
            if self.ir_sensor.proximity < 25: 
                self.leds.set_color(
                    group=Leds.LEFT,
                    color=Leds.RED,
                    pct=1)
                self.leds.set_color(
                    group=Leds.RIGHT,
                    color=Leds.RED,
                    pct=1)
                
                self.speaker.play(wav_file='/home/robot/sound/Object.wav').wait()
                self.speaker.play(wav_file='/home/robot/sound/Detected.wav').wait()
                self.speaker.play(wav_file='/home/robot/sound/Error alarm.wav').wait()

            else:
                self.leds.all_off()
            

    def blast_bazooka_whenever_touched(self):
        while True:
            if self.touch_sensor.is_pressed:
                if self.color_sensor.ambient_light_intensity < 5:   # 15 not dark enough
                    self.speaker.play(wav_file='/home/robot/sound/Up.wav').wait()

                    self.bazooka_blast_motor.run_to_rel_pos(
                        speed_sp=1000,   # degrees per second
                        position_sp=-3 * 360,   # degrees
                        stop_action=Motor.STOP_ACTION_HOLD)

                else:
                    self.speaker.play(wav_file='/home/robot/sound/Down.wav').wait()

                    self.bazooka_blast_motor.run_to_rel_pos(
                        speed_sp=1000,   # degrees per second
                        position_sp=3 * 360,   # degrees
                        stop_action=Motor.STOP_ACTION_HOLD)

                while self.touch_sensor.is_pressed:
                    pass
        

    def main(self):
        self.screen.image.paste(im=Image.open('/home/robot/image/Target.bmp'))
        self.screen.update()

        # DON'T use IR Sensor in 2 different modes in the same program / loop
        # - https://github.com/pybricks/support/issues/62
        # - https://github.com/ev3dev/ev3dev/issues/1401
        # Thread(target=self.keep_detecting_objects_by_ir_sensor,
        #        daemon=True).start()

        Thread(target=self.blast_bazooka_whenever_touched,
               daemon=True).start()

        super().main()   # RemoteControlledTank.main()
Ejemplo n.º 11
0
class Ev3rstorm:
    def __init__(self,
                 left_foot_motor_port: str = OUTPUT_B,
                 right_foot_motor_port: str = OUTPUT_C,
                 bazooka_blast_motor_port: str = OUTPUT_A,
                 touch_sensor_port: str = INPUT_1,
                 color_sensor_port: str = INPUT_3,
                 ir_sensor_port: str = INPUT_4,
                 ir_beacon_channel: int = 1):
        self.left_foot_motor = LargeMotor(address=left_foot_motor_port)
        self.right_foot_motor = LargeMotor(address=right_foot_motor_port)

        self.bazooka_blast_motor = MediumMotor(
            address=bazooka_blast_motor_port)

        self.touch_sensor = TouchSensor(address=touch_sensor_port)
        self.color_sensor = ColorSensor(address=color_sensor_port)

        self.ir_sensor = InfraredSensor(address=ir_sensor_port)
        self.remote_control = RemoteControl(sensor=self.ir_sensor,
                                            channel=ir_beacon_channel)

        self.leds = Leds()
        self.screen = Screen()
        self.speaker = Sound()

    def drive_once_by_ir_beacon(
            self,
            speed: float = 1000  # degrees per second
    ):
        # forward
        if self.remote_control.red_up and self.remote_control.blue_up:
            self.left_foot_motor.run_forever(speed_sp=speed)
            self.right_foot_motor.run_forever(speed_sp=speed)

        # backward
        elif self.remote_control.red_down and self.remote_control.blue_down:
            self.left_foot_motor.run_forever(speed_sp=-speed)
            self.right_foot_motor.run_forever(speed_sp=-speed)

        # turn left on the spot
        elif self.remote_control.red_up and self.remote_control.blue_down:
            self.left_foot_motor.run_forever(speed_sp=-speed)
            self.right_foot_motor.run_forever(speed_sp=speed)

        # turn right on the spot
        elif self.remote_control.red_down and self.remote_control.blue_up:
            self.left_foot_motor.run_forever(speed_sp=speed)
            self.right_foot_motor.run_forever(speed_sp=-speed)

        # turn left forward
        elif self.remote_control.red_up:
            self.right_foot_motor.run_forever(speed_sp=speed)

        # turn right forward
        elif self.remote_control.blue_up:
            self.left_foot_motor.run_forever(speed_sp=speed)

        # turn left backward
        elif self.remote_control.red_down:
            self.right_foot_motor.run_forever(speed_sp=-speed)

        # turn right backward
        elif self.remote_control.blue_down:
            self.left_foot_motor.run_forever(speed_sp=-speed)

        # otherwise stop
        else:
            self.left_foot_motor.stop(stop_action=Motor.STOP_ACTION_COAST)
            self.right_foot_motor.stop(stop_action=Motor.STOP_ACTION_COAST)

    def dance_if_ir_beacon_pressed(self):
        while self.remote_control.beacon:
            self.left_foot_motor.run_timed(speed_sp=randint(-1000, 1000),
                                           time_sp=1000,
                                           stop_action=Motor.STOP_ACTION_COAST)
            self.right_foot_motor.run_timed(
                speed_sp=randint(-1000, 1000),
                time_sp=1000,
                stop_action=Motor.STOP_ACTION_COAST)
            self.left_foot_motor.wait_while(Motor.STATE_RUNNING)
            self.right_foot_motor.wait_while(Motor.STATE_RUNNING)

    def detect_object_by_ir_sensor(self):
        if self.ir_sensor.proximity < 25:
            self.leds.set_color(group=Leds.LEFT, color=Leds.RED, pct=1)
            self.leds.set_color(group=Leds.RIGHT, color=Leds.RED, pct=1)

            self.speaker.play(wav_file='/home/robot/sound/Object.wav').wait()
            self.speaker.play(wav_file='/home/robot/sound/Detected.wav').wait()
            self.speaker.play(
                wav_file='/home/robot/sound/Error alarm.wav').wait()

        else:
            self.leds.all_off()

    def blast_bazooka_if_touched(self):
        if self.touch_sensor.is_pressed:
            if self.color_sensor.ambient_light_intensity < 5:  # 15 not dark enough
                self.speaker.play(wav_file='/home/robot/sound/Up.wav').wait()

                self.bazooka_blast_motor.run_to_rel_pos(
                    speed_sp=1000,  # degrees per second
                    position_sp=-3 * 360,  # degrees
                    stop_action=Motor.STOP_ACTION_HOLD)

            else:
                self.speaker.play(wav_file='/home/robot/sound/Down.wav').wait()

                self.bazooka_blast_motor.run_to_rel_pos(
                    speed_sp=1000,  # degrees per second
                    position_sp=3 * 360,  # degrees
                    stop_action=Motor.STOP_ACTION_HOLD)

            while self.touch_sensor.is_pressed:
                pass

    def main(
            self,
            driving_speed: float = 1000  # degrees per second
    ):
        self.screen.image.paste(im=Image.open('/home/robot/image/Target.bmp'))
        self.screen.update()

        while True:
            self.drive_once_by_ir_beacon(speed=driving_speed)

            self.dance_if_ir_beacon_pressed()

            # DON'T use IR Sensor in 2 different modes in the same program / loop
            # - https://github.com/pybricks/support/issues/62
            # - https://github.com/ev3dev/ev3dev/issues/1401
            # self.detect_object_by_ir_sensor()

            self.blast_bazooka_if_touched()
Ejemplo n.º 12
0
    measue = ir.value()

    if measue <= 60:
        return True
    else:
        return False


while True:
    try:
        if color_left.value() == 1 and color_right.value() == 1:
            if dist_measure() == True:
                while True:
                    print("Found!")

                    leds.set_color(Leds.LEFT, Leds.GREEN)
                    leds.set_color(Leds.LEFT, Leds.GREEN)
                    motor_left.run_forever(speed_sp=-900)
                    motor_right.run_forever(speed_sp=-900)
                    if not color_left.value() != 1 or color_right.value() != 1:
                        print("FOund line")
                        break

            else:
                motor_left.run_forever(speed_sp=-900)
                motor_right.run_forever(speed_sp=900)

                print("Seeking")
        else:
            motor_left.stop(stop_action="brake")
            motor_right.stop(stop_action='brake')
Ejemplo n.º 13
0
bt_left = False
bt_right = False
btn.on_left = left
btn.on_right = right
bt_sair = False

lcd = Screen()
mystring = 'Pressione para iniciar:'

if __name__ == '__main__':
    while True:
        lcd.clear()
        size = lcd.draw.textsize(mystring)
        lcd.draw.text((89-size[0]/2, 59), mystring)
        lcd.update()
        Leds.set_color(ev3.Leds.LEFT, ev3.Leds.RED) 
        Leds.set_color(ev3.Leds.RIGHT, ev3.Leds.RED)
        print('aguardando bt para iniciar')
        while not btn.any():         
            time.sleep(0.01)
            if 'right' in btn.buttons_pressed:
                bt_sair = True
        if bt_sair:
            break
        Leds.set_color(ev3.Leds.LEFT, ev3.Leds.ORANGE)       # ready go
        Leds.set_color(ev3.Leds.RIGHT, ev3.Leds.ORANGE)      # go go go
        print('Iniciando')
        time.sleep(1)
        buffer_cor = 0
        n_buffer_cor = 4
        cor_esquerda = []
LEFT_FOOT_MOTOR = LargeMotor(address=OUTPUT_B)
RIGHT_FOOT_MOTOR = LargeMotor(address=OUTPUT_C)
MEDIUM_MOTOR = MediumMotor(address=OUTPUT_A)

IR_SENSOR = InfraredSensor(address=INPUT_4)

LEDS = Leds()
SPEAKER = Sound()

while True:
    if IR_SENSOR.proximity < 25:
        LEFT_FOOT_MOTOR.stop(stop_action=Motor.STOP_ACTION_BRAKE)
        RIGHT_FOOT_MOTOR.stop(stop_action=Motor.STOP_ACTION_BRAKE)

        LEDS.set_color(group=Leds.LEFT, color=Leds.RED, pct=1)
        LEDS.set_color(group=Leds.RIGHT, color=Leds.RED, pct=1)

        SPEAKER.play(wav_file='/home/robot/sound/Object.wav').wait()
        SPEAKER.play(wav_file='/home/robot/sound/Detected.wav').wait()
        SPEAKER.play(wav_file='/home/robot/sound/Error alarm.wav').wait()

        MEDIUM_MOTOR.run_forever(speed_sp=1000  # degrees per second
                                 )

        LEFT_FOOT_MOTOR.run_to_rel_pos(
            position_sp=360,  # degrees
            speed_sp=1000,  # degrees per second
            stop_action=Motor.STOP_ACTION_BRAKE)
        RIGHT_FOOT_MOTOR.run_to_rel_pos(
            position_sp=360,  # degrees
Ejemplo n.º 15
0
print(__doc__.lstrip())

print('saving current LEDs state')

# save current state
saved_state = [led.brightness_pct for led in Leds.LEFT + Leds.RIGHT]

Leds.all_off()
time.sleep(1)

# cycle LEDs like a traffic light
print('traffic light')
for _ in range(3):
    for color in (Leds.GREEN, Leds.YELLOW, Leds.RED):
        for group in (Leds.LEFT, Leds.RIGHT):
            Leds.set_color(group, color)
        time.sleep(0.5)

Leds.all_off()
time.sleep(0.5)

# blink LEDs from side to side now
print('side to side')
for _ in range(3):
    for led in (Leds.red_left, Leds.red_right, Leds.green_left,
                Leds.green_right):
        led.brightness_pct = 100
        time.sleep(0.5)
        led.brightness_pct = 0

Leds.all_off()