Thanks to @JAX, it's fixed. it was related to the push button. wires maybe broken or something, going to test further. But push button 2 works for both sides of the driver so it was indeed push button 1 that did not work.
Hello,
Yesterday I finished my first tank, stacked two sn754410ne dual motor driver on each other and everything worked.
Today one side does not work anymore.
Today I added 4,7UF, 2,5v capacitor between one side, nothing happend.
Then I replaced it the previous capacitor with a 33UF, 10v capacitor, nothing happend.
I did the same on the other side, and now that side does not work anymore after adding the capacitor.
When I power the arduino off, and then on it runs for 2 seconds, and stops working again. (Side B)
I removed all capacitors and tested it without:
Side A on the driver still works, Side B does not work.
When I change the motors, both work on side A but not on side B.
Is the driver dead on one side? I also don't get any voltage on side B when it supposed to be active.
Please help!
Thank you