Search results

  1. Minder

    20 ohms

    Measuring the resistance on an AC circuit does not indicate current if inductive devices are involved. Which on a door opener I would expect this. The Inductive reactance (ohms) will be the deciding factor. M.
  2. Minder

    Best Way to Splice a Wire?

    I usually do an inline splice with heat shrink and if multiconductor then heatshrink over the whole splices. http://www.instructables.com/id/Master-a-perfect-inline-wire-splice-everytime/ M.
  3. Minder

    Measuring a swinging rod: accelerometer or gyro?

    You could look into adapting the Picmicro code from the demo pendulum. AN964 , there is Assembly as well as C code. M.
  4. Minder

    Microcontroller/Development board for reading Quadrature Encoder

    Are you using the basic count/rev or using any edges to increase x2 or x4? M.
  5. Minder

    LIghtning induced power surge signs/symptoms?

    One symptom that often goes unnoticed in electronic equipment and that is a blown surge protector or MOV, they will often perform their duty by absorbing excess voltage surge etc, but in the process have blown open, this often goes undetected in sealed equipment, if breakers are reset or fuses...
  6. Minder

    Need help with DC motor

    I converted my Craftsman band saw with a T.M. motor but it was one of the very few Universal motors that came off of a T.M. One of the KB DC motor controller's on ebay will run your DC brushed motor, the better versions are the PWM type, there is also a SCR type as a second choice. The...
  7. Minder

    Soldering and veroboard HELP!!

    For components that come in taped strips such as diodes, I run the leads through a pair of needle nose pliers to clean the oxidization off etc. M.
  8. Minder

    Soldering and veroboard HELP!!

    Don't forget to solder the copper strip side:p One draw back is using some of the lead free solder now, I try and get the old kind. One place I get my strip board from is http://www.futurlec.com/ProtoBoards.shtml Also there is a special drill for separating a trace, although a 1/8th drill works. M.
  9. Minder

    Detecting positive and negative edges

    On a Picmicro you can use the capture feature which can be set for positive edge followed by negative edge and a timer capture used to determine the time between. M.
  10. Minder

    what is switch gear

    https://www.electronicspoint.com/threads/dc-motor-design.279093/ :rolleyes: M.
  11. Minder

    DC motor design

    Do you or anyone else on your team have any electrical/electronic qualifications? From all the multitude of different questions asked here and on other sites with questions of the same ilk, it would appear you intend building or working on equipment that you only have the very vague notion of...
  12. Minder

    How single phase meter work

    All in the Electronics.;) M.
  13. Minder

    3 phase transformer

    A few reasons, this should enlighten some. http://www.electricaltechnology.org/2014/09/comparison-between-star-and-delta-connections.html M.
  14. Minder

    DC motor design

    No really sure of the question, do you want to build your own motor? M.
  15. Minder

    Does electron die?

    Especially in the Back of the Fridge!!:eek: M.
  16. Minder

    Need help with SSR Wiring

    Looks like it should work. Without knowing further details. M.
  17. Minder

    Smoothing Capacitor Sizing for VFD

    3 ph is normally 120° apart, and the 360Hz ripple % level is close to what you are looking for before smoothing. M.
  18. Minder

    Building my own bench drill

    With a bench drill you generally need a way to vary the speed, done on most common available models by stepped pulley, if you have access to discarded tread mills in Cuba, they are a source of DC motors that can be varied in rpm easily, without the need for changing belt steps etc. M.
  19. Minder

    Woodwork machine playing up

    Just realized that the bi directional spin test will only work in a start cap only motor, if it also has a run cap it will only spin up in the normal direction. M.
Top