Question on Spike Prime

[Ian Chow-Miller]

Hi, 

I hope that the attached video helps explain what I'm about to ask. I have a student who wants her machine to be started (and later stopped) by one of the sensors: pressure, distance, color. I've assigned a variable to randomly choose between 1 and 3. A few If/Else statements will start the machine depending on which one of those values is assigned. For example if the variable is randomly assigned 1, then the pressure sensor will have to be pressed to start the machine 

The problem is if the variable is randomly assigned 3 she wants the machine to be started by the color sensor. But we also want to randomly assign which color will start the machine. If we assign numbers to a new variable, I feel like we'd have to write If/Else statements. I'd love to just be able to assign a color to a variable instead. Any ideas?

Thanks,

Ian

Video Link
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[ProjectB Coach]

Hi Ian,

 

I threw this out to the brains trust and they came up with the following. Is this the type of approach you were after?

 

 

Note: We’re excluding Colour values of 2 and 6 because the colour sensor documentation doesn’t list colours for these values.

 

Regards,

 

Andrew Clark

Lead Mentor

Project Bucephalus

www.projectb.net.au

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[Ian Chow-Miller]

Thanks. I'll give it a shot.

To view this discussion on the web visit https://groups.google.com/d/msgid/legoengineering/SYCPR01MB32139957D7EEDD54D20B2CB38D359%40SYCPR01MB3213.ausprd01.prod.outlook.com.

[Kausing, Katrina]

can you help me pls with my scratch assignment? I hope to hear from you soon. Thank you so much!

Respectfully yours,

Katrina Kausing

Advanced Biology Instructor    

Frederick Douglas High School

Phone number: 859- 381-3780 Ext. 52007        

  

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Subject: Re: [legoengineering] Question on Spike Prime

 

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[Ian Chow-Miller]

Hi Andrew,

Thanks for the idea. It did work for starting the robot randomly. As time in-person with students was very short this year we didn't have time to finish the program before we had to take robots apart and pack up for the end of the year.

I should have made the color to number connection earlier, but Spike Prime is new to me and I miss stuff. It does seem that there are three numbers between 1 and 10 (2, 6, 8) that don't correlate to a color value. I'm wondering what is the best way to write a "not ___ and not ___ and not____" statement in the block language. I'm sure it's easier in Python.

Thanks again,

Ian

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[ProjectB Coach]

Hi Katrina,

 

Happy to help in any way I can! Send through the details to the group…

 

Regards,

 

Andrew Clark

Lead Mentor

Team #5985 (Project Bucephalus)

To view this discussion on the web visit https://groups.google.com/d/msgid/legoengineering/MN2PR17MB4015935F492D9308A4B2664ADF349%40MN2PR17MB4015.namprd17.prod.outlook.com.