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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by kirkhan

  1. K

    How can I reverse polarity to a motor using relays?

    Hi Ron, off of what ive read the H bridge does exaclty what i need it to and eliminates the need for the relays and transistors. I think im going to go with that part and use the tutorital on the website you gave me. Thanks for the previous schematic, i will go back to that idea if this doesnt...
  2. K

    How can I reverse polarity to a motor using relays?

    Hi Ron, off of what ive read the H bridge does exaclty what i need it to and eliminates the need for the relays and transistors. I think im going to go with that part and use the tutorital on the website you gave me **broken link removed**. Thanks for the previous schematic, i will go back to...
  3. K

    How can I reverse polarity to a motor using relays?

    Hi Ron, off of what ive read the H bridge does exaclty what i need it to and eliminates the need for the relays and transistors. I think im going to go with that part and use the tutorital on the website you gave me (**broken link removed**). Thanks for the previous schematic, i will go back to...
  4. K

    How can I reverse polarity to a motor using relays?

    From what ive read, a H bridge does exactly what i want it to and i dont need all those relays and transistors. Thanks Ron for the diagram though. I am going to go with the link you sent me and making changes for my circuit. (**broken link removed**) Thanks again Ron, kirkhan
  5. K

    How can I reverse polarity to a motor using relays?

    Thanks a lot Ron, this circuit looks like something simple i can build in no time. The 5v supply is just switches. The motors have their own power supply coming from a solar cell. They both, combined take 500mA at 12v. So do i still need to fuse the lines or is this power consumption so small...
  6. K

    How can I reverse polarity to a motor using relays?

    thanks colin55, but im limited to 5v power supplies that come from a arduino board. Do you have anything that i can use with that?
  7. K

    How can I reverse polarity to a motor using relays?

    Use with a arduino I guess i overlooked some specs and the drawing youve given uses a switch to control the motor direction. How can i use 2 different inputs to control direction with the relays?
  8. K

    How can I reverse polarity to a motor using relays?

    Ron and tblo163, thanks a lot! Im building a solar tracker for my senior design project and this diagram is exactly what ive been looking for. Thanks for the quick response and help! kirkhan
  9. K

    How can I reverse polarity to a motor using relays?

    Please help hello, i was reading this thread and found it very useful for the motor control that i wanted to build. I am fairly new to electronics and was wondering if the 5 pin relays referred to are SPDT or SPST. I know this thread is pretty old but if anyone could please answer, i would be...

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