Problem: My kids always update RobotC on my computers, how can I stop this? Solution: This can cause many problems in a classroom. Mostly because then you may have more than one version in the same class, and this wreaks havoc when they go to a different computer, as the Cortex’ firmware may not match. […]

Question: How do I know what all the values are of all the different sensors? It can be overwhelming! This post is ARCHIVED, meaning links may or may not work, and it may not scale well on a mobile device as it was written a while ago. Solution: Lucky for us, our friend Dan Keith from […]

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 […]

Problem: What’s the proper start up procedure to get my Cortex to connect? Solution: Great question. I have had some people refute this, but here’s what works in my classroom:    1,090 total views,  1 views today

Problem: How do you communicate from a VEX to a SCORBOT? When I hook it up using an optical isolater, there is no voltage. Solution: Lets set it up like this: VEX is the OUTPUT, and the SCORBOT is the INPUT. Always use a relay, optical isolator or just a switch; NEVER HOOK UP A […]

Problem: I want my AGV to stop at an intersection in the black line using the linefollowers so it can pick up parts. How do I do it?   Solution: Thanks Matt B for the ideas. There are a couple ways to make this happen. 1.You could do three if(sensorvalue)’s in a row downward. or […]

Problem: Are there any example programs in RobotC that will help me with beginning programming? Download zip file with all the programs below here.   Solution: As a matter of fact; here they are! Download the zip folder for all of the programs and notes listed below. These programs were written by Jim and I […]

Question: I have my VEX kits, and it seems I have a bushel basket of extra wheels, and not enough sensors or cool stuff for my kids to use. What do you suggest I buy as extras, and how many? This post is ARCHIVED, meaning links may or may not work, and it may not […]

Problem: Is there a template in Word, that I can use as a template for students to plan out inputs and outputs on the cortex? Solution: Yep.   Download the file here      1,090 total views,  1 views today