Rename the Button in the Component Tree to “DisconnectButton”. This component will allow the user to Disconnect the Ev3 Robot when they are finished commanding it. ĭrag another Button onto the Designer, within the VerticalArranagement, and below the Button created in Step 4. This prevents the users from clicking the button before they connect to the robot.Ĭhange the Text property to “Start Listening”. Uncheck the Enabled box in the Properties panel. Rename the Button in the Component Tree to “ StartButton ”. This component will allow the user to command to Ev3 Robot to start listening for commands. Again, I changed the FontSize to 16 to make it more visible.ĭrag a Button onto the Designer, within the VerticalArrangement, and below the ListPicker. Ĭhange the Width property to “Fill parent”. Rename the ListPicker in the Component Tree to “ConnectListPicker1”.
#DOG LEGO MINDSTORM PROGRAM CODDE BLUETOOTH#
This component will show the application user the list of Bluetooth addresses and names to choose from. ĭrag a ListPicker onto the Designer, within the VerticalArranagement and below the first Label. I also changed the FontSize to 16 to make it more visible.Ĭhange the TextAlignment property to “Center”. This makes the width of the Label as big as the user’s screen.Ĭhange the Text property to “Not Connected”. Rename the Label in the Component Tree to “ConnectLabel”. This Label will be used to tell the user whether or not he or she is connected to the Ev3 Robot. This makes the width of the VerticalArrangement as big as the user’s screen.ĭrag a Label onto the Designer and within the VerticalArranagement. This makes the height of the VerticalArrangement as big as the user’s screen.Ĭhange the Width property to “Fill parent”.
Ĭhange the Height property to “Fill parent”. This component will enclose all of your buttons and labels for the application. Īllows room for programmable extensions of this application for the Ev3 Robot.ĭrag a VerticalArrangement onto the Designer. Uses non-visible components such as Clock, SpeechRecognizer, BluetoothClient, Ev3Motors, and Ev3Sound. Teaches the programming concepts such as conditional statements with a LEGO EV3 robot. If the user provides no commands, the previous command will be executed until another command is registered.
The robot will follow the user’s voice commands and perform the action for half a second before prompting the user for another command. The user can pick one of several commands: forward, backward (reverse), stop, forward slow, forward fast, disconnect, circles, right turn (turn right), left turn (turn left). Using voice commands, the user instructs an EV3 LEGO robot to do certain maneuvers and actions. Click here for a version of this page on which you can comment.įor questions, comments, or suggestions, please contact: Lokhin Cheng, it does:
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