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This page presents solutions to commonly observed problems while using the CrcDuino system.

Click on the situations below to learn about their solutions.

Visualiser la version française de cette page.

Info

Not finding what your looking for here? Your favorite search engine is the solution. If that doesn’t yield any significant answers, try reaching out to other CRC Robotics Competition participants through the Managr platform.discord!

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titleMy controller has morphed into R2-D2 and makes weird sounds and the Neopixel lights up like a Christmas tree.

The controller is in Error Mode. Find out more on this dedicated page.

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titleI cannot recognized my controller through Arduino IDE.

Carefully review the steps detailed on this page. Ask yourself:

  • Is the board connected on the computer?

  • Are the most up-to-date CH340g drivers installed?

  • Have I tried connecting using all available COM Ports?

  • Have I setup my IDE to communicate with a Arduino Mega 2560 type board, using the ATmega2560 processor ?

“Input debouncing” is crucial when counting the number of time a switch or button has been pressed. A nice introduction can be seen here, but there’s a lot of other ressources on the subject out there
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titleWhat are some other concepts to lookup on the Internet that might be useful when using a CrcDuino?
I'm getting weird behaviors from the CrcDuino, and I don't quite understand why.

Make sure the CrcDuino is connected to a 12V power source. IOs won’t function properly if no 12V power is fed to the CrcDuino.

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titleWhen connected to PWM Port #1, #2, #3 or #4, my servo doesn't work.

3-wire servos can’t be used on PWM Port # to 4 because no 5V supply is available on the center pin of these 4 ports.

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