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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.

dc motors

  1. A

    5 pin to 3 without losing functionality

    Hi all, I’m working on a project that uses a motor throttle and speed controller. There’s only one problem: the speed controller has three pins (see pictures for help) whilst the throttle has five. There is a red black and green wire for the throttle and then two more, presumably for the “on...
  2. T

    High Power Relay H Bridge

    Hello. I have created a schematic for a high power dual h bridge utilizing relays and IRF540 Mosfet but i cant seem to calculate the values for the gate resistor to the mosfet plus i would appreciate if anyone could point out any mistakes i made in the design. The schematic is attached below in...
  3. J

    Torque

    - At a given KV rating, will a motor with higher Watts have more torque? - At a given watts rating, will a motor with lower KV's have more torque? - Can we calculate KV from rpm and volts? Eg, 4900rpm/72V=68KV ?

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