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https://github.com/pybricks/pybricks-projects.git
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davecparker
b60589abf4
Added new tutorial category for Remote Control, and the Basic Button Techniques tutorial Spelling fixes Added DriveBase remote control tutorial Added another remote control tutorial, for a basic DriveBase Fix typos and formatting Change remote image from PNG to JPG Use "not in" instead of "not (..in..)" Use "not in" instead of "not (..in..)" for better Python style Fixed tutorial md snippet to match the py update from the "not in" style fix Moved Remote Control tutorial category to be under Wireless Moved the Remote Control category to be under the existing Wireless top-level category, and changed the Remote Control category md file to specify layout: set so that the entire structure parallels that of wireless/hub-to-device
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
from pybricks.hubs import TechnicHub # change hub type as necessary
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from pybricks.pupdevices import Motor, Remote
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from pybricks.parameters import Button, Color, Port
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# Define the hub object.
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# For other hub types, change TechnicHub here and on the line 1 import
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hub = TechnicHub()
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# This tutorial uses two motors on ports A and B
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left_motor = Motor(Port.A)
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right_motor = Motor(Port.B)
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# Define the max and current motor speed to use
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MAX_SPEED = 720 # deg/sec
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speed = MAX_SPEED
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# Try to connect to the remote
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hub.light.on(Color.YELLOW) # turn hub light yellow while trying to connect
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rc = Remote() # will stop the program if it can't connect
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# Set status light on both hub and remote to green to indicate connection
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hub.light.on(Color.GREEN)
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rc.light.on(Color.GREEN)
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# Get the set of buttons on the remote that start out pressed
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pressed = rc.buttons.pressed()
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# The main loop repeatedly tests the remote buttons and reacts (forever)
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while True:
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# Update the set of buttons that are currently pressed,
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# and also remember which ones were pressed the last time we checked.
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was_pressed = pressed
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pressed = rc.buttons.pressed()
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# 1. Press and hold Left Plus to spin the left motor
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if Button.LEFT_PLUS in pressed:
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left_motor.run(speed)
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else:
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left_motor.stop()
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# 2. Tap Left Minus to turn the left motor exactly 720 degrees backwards
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if Button.LEFT_MINUS in pressed and Button.LEFT_MINUS not in was_pressed:
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left_motor.run_angle(speed, -720)
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# 3. Press and hold Right Plus to spin the right motor forward,
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# or Right Minus to spin it backward, or neither to stop it.
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if Button.RIGHT_PLUS in pressed:
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right_motor.run(speed)
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elif Button.RIGHT_MINUS in pressed:
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right_motor.run(-speed)
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else:
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right_motor.stop()
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# 4. Press and hold Right Center to reduce the motor speed while doing 1-3
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if Button.RIGHT in pressed:
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speed = MAX_SPEED / 4
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else:
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speed = MAX_SPEED
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