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This page explains how a CrcDuino board is powered. |
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The 9880 CrcDuino acts like the brain of a robot and well, without power, a brain doesn't go a long way!
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Since we're working with DC current, polarity must be respected. Connect the 12V port to the positive (+) terminal of the battery, and the GND port (which stand for ground, the voltage reference of the circuit) to the negative (-) port of the battery. Convention makes it that a red wire is usually used for positive and a black wire for negative. One could also use a 120V AC to 12V DC wall mount power supply instead of a 12V battery. Any 12V DC voltage supply will do the trick, as long as it can supply an adequate current! |
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What happens if the + and - wires are inverted, or if the board draws too much current/a short circuit happens?BOOM No, don't worry, nothing's going to explode. The beauty of the 9880 CrcDuino is that it's been designed by former participants of the CRC Robotics Competition , so we that have seen a lot. We know what kind of mistake one can do in the heat of the moment. ! Fortunately, the 12V input is reversed protected so you don't have to worry about inverting the 12V and GND wires coming from your the robot's main 12V battery. Also, the 12V input is PTC protected against overcurrent of 400mA and more. |
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The quick-connect tabs seem stuck and don't hold my wires in place! What do I do?The orange tabs can be locked in place if they are pushed past the locking threshold. Pop them back up carefully with a small screwdriver if needed. A distinct click should be heard. |
From the CRC vault: 30 seconds before the start of the final heat of the final round of Actimania 2015, Cegep Gerald-Godin completely fried their electrical system by plugging their main 12V battery the wrong way. Immediately, their 4 opponents came to help them rewire, right on the main playing field, their whole robot so they that the team could play the its last heat. The crowd loudly cheered all along, and during that impromptu pause started the now famous Macarena on the playing field tradition. Talk about a truly CRC moment!
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The quick-connect tabs seem stuck and don't hold my wires in place! What do I do?
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