Posts Tagged ‘and’

Dobot to Dobot Handshake!

We did it! We made a dobot magician talk to another one and make it start. We even added a VEX switch as an input to start the first one. It is easy to do, but one word of caution:

Never connect or disconnect any wires to the dobot while it is powered on; always power it down first. Damage may result!

Ok, now on to the good stuff. If you bought your dobot through InPosition HERE, not only did you get a $100 discount, you get access to the documentation to make this happen for free! just email us! This includes worksheets and wiring diagrams.

Tony Koppers, my senior EDD student has done all of the legwork to make this happen, so special thanks to him!

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ANY IDEAS FOR COLORING PAGES IN THE CLASSROOM?

Problem:

I can’t seem to get EdgeCAM or your Flow Arm to work, or any of the other CIM Software for that matter. What should I do?

Solution:

Well, don’t cry; that doesn’t work. I’ve tried it. Screaming and yelling does not seem to work either. So here’s an idea:

Download the following Chris and Jim coloring pages!  That’s right! PDF coloring pages of yours truly! Download and make as many copies as you want, and have your kids color them in with crayons or markers or colored pencils; the options are endless!

Just click on the pictures below to download us! Don’t say we didn’t give you anything for Christmas!

This is a picture of me at CalPoly while mountain biking at Puddingstone reservoir! Chris_teaser

This is a picture of Jim when he came out to Cazenovia last Spring to do the Lynx Robotics update!

Jim_teaser
Any more questions?      
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WHAT ARE BOOLEAN OPERANDS?

Question:

What are boolean operands, and how do I use them in RobotC?

Solution:

Boolean Operands are used in programming because there are only two conditions that can be true. (Digital) On or Off, 1 0r 0, True or false…  With that being said, there are many that can be used and there is a chart shown below. This chart came right from a robotc reference. For a more in depth discussion go HERE.

Here’s an example of how to use AND with an until command to wait for two conditions to be true. In this example, the Until command acts as a bouncer, and will not let the program move forward until both conditions are met. In this case, it is waiting until the Sonar sensor value falls within the range of 1 to 3.

Boolean_2

boolean

 Boolean_4    
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Jim Hanson

Chris Hurd

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