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| Drive L298n with mrotate. |
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| pixel.arcade:
--- Quote ---Posted by: DaOld Man You can also use a drive rated for higher current, but that would be more expense. --- End quote --- I need this solution, the end result is very good, if possible give me the link of this solution, thanks! |
| BadMouth:
Not sure where you are located, but I originally ordered one of these from India. http://robokits.co.in/shop/index.php?main_page=product_info&cPath=73&products_id=15 It was around $15 US shipped. |
| DaOld Man:
--- Quote from: BadMouth on January 12, 2013, 02:22:04 pm ---Not sure where you are located, but I originally ordered one of these from India. http://robokits.co.in/shop/index.php?main_page=product_info&cPath=73&products_id=15 It was around $15 US shipped. --- End quote --- Looks like a real good deal. Here is a quick hookup diagram, using Pin 4 to disable the drive. Since this drive does not have a ENABLE, you can use two pnp transistors to kill the drive if pin 4 is high. Pin4 high turns off the transistors. Pin 4 low turns them on, allowing the direction pport pins to control the drive. Important note about this drive! I asked the website if this drive supports dynamic braking. Here is the reply: --- Quote ---No. Braking is not provided. Please use DC Motor Driver 20A instead which ill support braking. --- End quote --- So, if you use this drive with Mrotate, be sure to turn off dynamic braking in Mrotate. Some drives will self destruct if you use dynamic braking, not sure if this one will, but I dont suggest you try it. |
| pixel.arcade:
And what would be the suggestion motor ? |
| DaOld Man:
--- Quote from: pixel.arcade on January 12, 2013, 04:28:50 pm ---And what would be the suggestion motor ? --- End quote --- I thought you said you had already bought a wind shield wiper motor? Those are a good choice if you are rotating a CRT monitor, since they have a lot of strength. If you are rotating a LCD monitor, you can probably get by with a smaller motor, which would probably work with the first drive you bought. |
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