Walter the Sonar Bot

by Aidan-Corrales in Circuits > Robots

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Walter the Sonar Bot

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We will program Walter's Sonar

This a video tutorial following the instructable steps.

Downloads

Walter_the_Sonarbot.mp4

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We will modify the Walter microbot code so we can have a working sonar.

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Open the inputs tab and select On Button Press command which I have highlighted.

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We will need 2 of these commands, make sure to change one of the buttons to B and leave the other on A.

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Open the variables tab and click on make a variable

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When you click on make a variable it will ask you to name it to make things simple just name it Button and then press ok, then you should see 3 commands appear.

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Drag the Set Button command to On Button command like I showed.

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Open the logic tab and grab the command that I highlighted.

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Replace the Button Command with the new command.

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Select the button variable and replace the first 0. It might take you a couple of tries to get it to snap to the right stop.

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Open the variable tab and we will be making a new variable named Sonar.

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Go to extensions and search for sonar and choose the one i highlighted.

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Grab the set Sonar command and drag it under the if statement.

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Drag the Sonar command into the sonar variable.

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Next we will change the variables in the sonar command.

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Open logic tab and drag the if else command under the Sonar command.

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Open logic tab and drag the <0=0> command to replace the true statement.

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Drag the Sonar Variable and replace the true statment.

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Drag the continuous servo command under the second if statement.

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Click on advanced and then open the control tab. Then drag it under the first 2 continuous servo commands.

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Drag the second set of continuous command under the wait command.

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Add a wait time under the second set of continuous servo command. Then drag the third set of continuous commands under the first else command.

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Delete the other statements and leave the else if statement and the stop servo commands.

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Drag the stop servo command under the else if statement.

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Open the logic tab and drag a <0=0> command to the slot.

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Drag a button variable to replace the 0

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Now were going to change some of the variables.

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This is what the finished code should look like.

Step 20: Here Are Video Instructions If You Prefer That! :)

Walter- Sonar Programming tutorial