Can any one help. I am trying to power 4 motors with l298n motor driver with power source 9v it's not working effectively and to slow
9V PP3 block batteries are for low power devices, like smoke alarms, and not for motors.
A 6xAA 9V battery pack might provide enough current.
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I used 6xAA 9v eveready battary still not working it make motor move but on put it on ground not moving what shall I do? @jremington
Hi, @mohamed_amr
Welcome to the forum.
Can you please post a copy of your circuit, a picture of a hand drawn circuit in jpg, png?
Hand drawn and photographed is perfectly acceptable.
Please include ALL hardware, power supplies, component names and pin labels.
Do you have a DMM? (Digital MultiMeter)
Thanks.. Tom... 
Please post enough project details so that forum members can understand the project and make suggestions.
Follow the instructions in the "How to get the best out of this forum" post.
So the motors run when held off the ground, but there is not enough power to drive when it is on the ground?
Can you please post some pictures of your project?
So we can see your component layout and motors.
Thanks.. Tom...
1. Check that the wiring of your Motors are similar to the following of Fig-1:
Figure-1:
2. Check that your sketches comply with the following Functional Truth Table.
Figure-2:
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