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  1. Minder

    Need Help Rebuilding Hamm's Beer Rippler Motor

    Most motor of this type needed a kick start to get them going, clock motors did or they could often start backwards if the spring activated kicker was broken/worn. M.
  2. Minder

    Earth feed in trigger wire

    If you are reading a voltage across 85 & 86 with only the 12v connected then obviously there is either some leakage or your very high impedance meter is picking up something? M
  3. Minder

    Earth feed in trigger wire

    Obviously standard automotive relay SPDT. If you have a sensor attached to 85 and you read a voltage when the relay is off, this is due to leakage through the sensor. M.
  4. Minder

    Need Help Rebuilding Hamm's Beer Rippler Motor

    That appears to be a 120v AC synchronous (clock) motor and gear box, these are generally very low torque so takes very little to cause it to stall, most likely is the gear box has become worn or tight in spots. Also maybe the bushing has worn over time if ran dry. Especially from mid 60's . M.
  5. Minder

    Need a sensor of some sort to orientate a part via a through hole

    If you want to go the light beam route, you need to look at infra red to eliminate ambient light. See DigiKey for the TSOP receiver and TSAL transmitter LED. M.
  6. Minder

    RC Snubber design

    A couple more. The others are too large to upload, unfortunately. M.
  7. Minder

    The shape of schematic components

    If referring to the DWG, what schematic drawing package are you using? M.
  8. Minder

    The shape of schematic components

    Are you referring to the DWG or the physical layout? I don't quite see what your problem is? Picmicro have several proto type boards starting with a very basic one, they include schematics and physical layout you could copy if necessary.. M.
  9. Minder

    Uses of USB IC Programmer

    I don't think so, simple IC's such as optos can be tested by bread-board. M.
  10. Minder

    Power Supplies and PLC IO

    As they appear to be open collector/drain outputs then you should have no problem common'ing up the negative side of the supplies. M.
  11. Minder

    Uses of USB IC Programmer

    I picked one up several years ago very similar to that for programing various technologies. In most cases the type can be seen from the part No and construction. If you identify them it should be possible to test most types. If security link is blown then no. M.
  12. Minder

    Read and copy PIC12F program memory

    The MPLAB free program will read it, you need a PICKIT2 or PICKIT3 or knock off to read it. Max.
  13. Minder

    Automatic greenhouse window opener

    PID implies some kind of feedback element. M.
  14. Minder

    U2008B - ac motor speed controller with soft start

    What is the motor technology? that controller is only suitable for a Universal motor, not a induction motor. M.
  15. Minder

    Speed controler

    With a VFD set to max 120Hz , a 4 pole motor normally ran on 50/60Hz can run at x2 rpm, so a low or intermediate pulley can be used. M.
  16. Minder

    Automatic greenhouse window opener

    Linear actuator? M.
  17. Minder

    Programming starting point

    Basically the lazy method, I don't wish to re-invent the wheel, so what I do is to accumulate any code or methods that is close to my projects that have been posted out there on the web, including any app notes by the micro manuf etc. I then use these as a basis for modifying and writing the...
  18. Minder

    Speed controler

    One answer is to fit a 3 phase motor and use a VFD, this is what many do in those applications. Another is to fit one of the larger treadmill DC motors and a DC drive. M.
  19. Minder

    Transformer/Rectifier repair

    Yes, they should certainly offer a source. M.
  20. Minder

    Odd switch I cannot figure out

    You can see the foil under the switch button, so experiment by shorting the foil with a jumper etc to trace the necessary connection pair you need. M.
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