# Initialize EV3 touch sensor and motors
motorLeft = Motor(Port.A)
motorRight = Motor(Port.B)
infrared = InfraredSensor(Port.S1)
# Create a loop to react to buttons
while True:
# Check for center button events
if Button.CENTER in ev3.buttons.pressed():
motorLeft.stop()
motorRight.stop()
break
# React to the left up and down buttons
if Button.LEFT_DOWN in infrared.keypad():
motorLeft.dc(-50)
elif Button.LEFT_UP in infrared.keypad():
motorLeft.dc(50)
else:
motorLeft.stop()
# React to the right up and down buttons
if Button.RIGHT_DOWN in infrared.keypad():
motorRight.dc(-50)
elif Button.RIGHT_UP in infrared.keypad():
motorRight.dc(50)
else:
motorRight.stop()
# Uncomment to display the current status of the remote buttons
from time import sleep
# This program requires LEGO EV3 MicroPython v2.0 or higher.
# Click "Open user guide" on the EV3 extension tab for more information.
# Create your objects here.
ev3 = EV3Brick()
# Write your program here.
ev3.speaker.beep()
# Initialize the motors.
left_motor = Motor(Port.A)
right_motor = Motor(Port.B)
# Initialize the drive base.
robot = DriveBase(left_motor, right_motor, wheel_diameter=55.5, axle_track=104)
ir_sensor = InfraredSensor(Port.S4)
ir_sensor.beacon(1)
while True:
buttons = ir_sensor.keypad()
if len(buttons) == 1:
print(buttons[0])
if (buttons[0] == Button.LEFT_UP):
print("###")
robot.straight(-30)
elif (buttons[0] == Button.RIGHT_UP):
pass
elif (buttons[0] == Button.LEFT_DOWN):
pass
elif (buttons[0] == Button.RIGHT_DOWN):
pass
elif len(buttons) == 2:
print(str(buttons[0]) + " and " + str(buttons[1]))
else:
continue
ev3.screen.print('Distance: ', dist, 'mm')
ev3.speaker.say('come to me on channel 1')
dist = 100
angle = 0
while dist > 10:
wait(10)
dist, angle = ir.beacon(1)
ev3.screen.print('Distance: ', dist*2, 'mm')
ev3.screen.print('Angle: ', angle, 'deg')
ev3.speaker.say('last try, use channel 1')
while True:
buttons = ir.keypad()
wait(10)
if Button.LEFT_UP in buttons and Button.RIGHT_UP in buttons and Button.RIGHT_DOWN in buttons:
ev3.speaker.play_file(Sound.GOODBYE)
break
elif Button.LEFT_UP in buttons and Button.RIGHT_UP in buttons:
ev3.speaker.play_file(Sound.UP)
elif Button.LEFT_DOWN in buttons and Button.RIGHT_DOWN in buttons:
ev3.speaker.play_file(Sound.DOWN)
elif Button.LEFT_UP in buttons and Button.LEFT_DOWN in buttons:
ev3.speaker.play_file(Sound.LEFT)
elif Button.RIGHT_UP in buttons and Button.RIGHT_DOWN in buttons:
ev3.speaker.play_file(Sound.RIGHT)
elif Button.LEFT_UP in buttons: