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Tronic´s H-Bridge Problem

Discussion in 'SimTools compatible interfaces' started by Robbi81, Jul 10, 2011.

  1. Robbi81

    Robbi81 Member

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    Hello and have a nice day,

    i have a problem with your h-bridge, it works perfectly with no or litle motors,
    but now i have 2 200w 12v motors with transmission.
    they are very strong an each motor can have 16 amps under load,
    im testing without load yesterday, the output voltage of the motors are not 12 volt in every direction,
    sometimes when i turn the pot from 512 also the middle to full direction the motor starts very slowly after 5 seconds,
    the voltage goes very slowly up to 10 volts, not 12 volt !!
    the motors have no power, i can stop the motor easily with my hand, normaly the hand was very damaged :)

    so please helb me the without motors the 12v comes quickly.

    and one other problem is: when i change the kp settings with hyper terminal, it is ok, but when i make a restart
    or reset the settings are back to the kpx 3 kpy 3 default settings, what is wrong?
    the atmega??

    i hope you can help

    greetings from germany

    Robert
    Robbi81, Jul 10, 2011
    #1