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Recent content by yophi

  1. Y

    H brigde for control speed and direction 180VDC brushed motor

    I will use 7809 for supply the arduino at other PCB. the other PCB will have 7809 and display ( LCD16x2 or 7 segment ) and some button for control. thank you.
  2. Y

    H brigde for control speed and direction 180VDC brushed motor

    Hy Mr Klaus, Thank you for your suggest, I have updated my schematic but, I dont know how much the Value of C6, C9 capacitor at bridge supply and which type of diode schottky at the bridge. I need check at my local market. what do you think about my schematic after re draw? more better than...
  3. Y

    H brigde for control speed and direction 180VDC brushed motor

  4. Y

    H brigde for control speed and direction 180VDC brushed motor

    Your problem may be "Shoot-Through" = both MOSFETS on one side of the H-Bridge are ON simultaneously. -- I think this point its okay. because my code turn on Q1 & Q4 then turn off all mosfet for 5 seconds then turn on mosfet Q2&Q3 for reverse rotating What is your Dead-Time? -- i dont know what...
  5. Y

    SCR speed brushed DC 180v motor control does not work

    Sorry Brian..i dont know PWM is Can not use for SCR. I think it will same like I used Mosfet. I have try made H bridge mosfet with IR2110 for drive all mosfet.but I still cant handle the spike after the motor turn off and delay 5 sec for reverse rotating. So i think SCR can more simple to made...
  6. Y

    SCR speed brushed DC 180v motor control does not work

    Thank you for your link.very helpful. But how if my motor voltage use 180VDc?
  7. Y

    SCR speed brushed DC 180v motor control does not work

    i updated my schematic below. This is okay or still not??
  8. Y

    SCR speed brushed DC 180v motor control does not work

    so maybe can I use Ac zero crossing detector for input to arduino then can set the PWM to triac to control voltage AC ouput.. until now I confuse how to made cheap speed control brushed 180vdc motor 0.3A. thank you.
  9. Y

    SCR speed brushed DC 180v motor control does not work

    i will made that schematic for speed 180vdc brushed motor. but the output voltage very low just have 3 VDC , I have check on gate of both SCR have PWM signal by code AnalogWrite (pin9, 100) on arduino;( just with voltmeter, because I not have oscilloscope to know the peak ). so whether my...
  10. Y

    SCR speed brushed DC 180v motor control does not work

    why my schematic not working.. speed control brushed 180v Dc motor. I used BT 150 and used PWM to trigered gate of SCR. thank you.
  11. Y

    H brigde for control speed and direction 180VDC brushed motor

    Hi Klaus, Thank you for your reply, --for PCB lay out I just made my self and you can see at attachment. --for want to see the signal, i don't have Oscilloscope to inspect it. so just check the signal at LIN and HIN only( the PWM signal from arduino )? --which DC power path need add a...
  12. Y

    H brigde for control speed and direction 180VDC brushed motor

    I have problem with my project made H brigde for control speed and direction 180VDC brushed motor. I have used Mr. Thamid method with IC IR2110 and N channel mosfet. I waste many mosfet and IR 2110 to build my project. please help me to solve my problem. I have success for a while but after time...
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