I can not confirm this personally but I believe if you are using over 12v, then you should remove the 5VEN jumper and input 5v from another source to the 5v screw terminal that you see me stealing power from. DO NOT use this regulator if you are using more than 12v, but I really can't speak to if the L298N should be used with over 12v either way. To use the 5v output, as I have done to power the arduino, you need to use a jumper connecting the two pins just north of the power screw terminals labelled 5VEN. One of the handy features I was alluding to earlier is that the L298N has a voltage regulator that we can utilize as a 5v source. This will provide the power for the DC motors. The positive and negative from this go directly to the 12V and GND screw terminals on the L298N. Starting with the far right, you will find my usual barrel jack which I use to connect a 12v 4a power supply. Second, I am only using the L298N to drive one DC motor at the moment but you can independently drive a second motor with just one driver. I won't into the technical intricacies of the L298N, but it has some really useful features for not much money that is great for TipsyBrew.įirst off, if you haven't been keeping tabs on the project, I am using the arduino MEGA 2560 full time now because the OLED requires too much memory for the UNO to be reasonable. All we need here is an arduino, 12v power, 12v DC motor, and of course an L298N driver.
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