speed controller

I'm working on a machine that I need to help with my business. Essentially, I am looking for something that works similar to a VHS Rewinder / Fast Forwarder that has variable speed. See this video on Youtube for what I am trying to accomplish. What I have been looking into is having two DC...

Hello, I use triac to control the permanent capacitor motor. I have attached my schematic and two methods I found for cutting signals. 1. power is applied for several continuous half-cycles and then removed for several half-cycles 2. use the dimming method please help me with their...

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...

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