speed controller

  1. M

    Treadmill DC motor receiving higher than rated voltage.

    Hello, My treadmill stopped working (i.e. belt no longer moves) with a loud popping sound. When I inspected the motor-controller board I found a damaged 22 ohms resistor that I replaced. Then, I decided to see if the board works fine, so I put the board back and I used my DMM to measure the...
  2. G

    Help Identifying Component

    This part came off an ESC on a drone. I think it's a fet but can't find any info..Please help.