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  1. hotrodjohn71

    110v AC pulse on/off device

    Hi group. I have a 110v electrical item that i want the ability to turn on and off about every half second continuously. There isn't much current draw at all. It's an old Christmas bells decoration. What would you suggest for a pulse on/off unit I can plug my setup into that would cycle 110v...
  2. hotrodjohn71

    Automotive related question regarding specificity of diode.

    Hi group, Please help me with a diode question. In a nutshell, I have a feedback problem, (12v +) from my alternator which is causing my engine to not shut off when the key is switched to off. This is an occasional problem with some older systems with an updated relay-powered ignition and...
  3. hotrodjohn71

    Lighthouse project, flasher relay

    If "microcontroller' is the incorrect forum for this question, please advise and I will repost in the correct forum. I have a pond which I built a wood cover for the float level mechanism which governs the water fill. On the cover I have a garden lighthouse about 3 feet tall. I have a box.of...
  4. hotrodjohn71

    Help repairing old motorcycle voltage regulator

    Hi Group, This issue is lengthy and detailed. If you read it all, I will be very very surprised. If you can help me, I will be excessively grateful. Grab a cup of coffee and thank you in advance. I have a 1973 Harley Davidson Z90. These small motorcycles were made by the Italian company...
  5. hotrodjohn71

    Please advise a good substitute potentiometer

    Hello group. If I have posted this question in the wrong class, please advise and I will make it right. There is a component that I wanted to obtain but found out it is obsolete. It is a voltage control that you would install in a vehicle to control the amount of power going to the trailer...
  6. hotrodjohn71

    DC motor brush question

    I suppose this question is not technically an electronics question, I wonder If I may be permitted to ask a question about the brushes on a DC motor, a motorcycle starter motor to be exact? Thank you
  7. hotrodjohn71

    Please help identify this variable resistor

    Hi guys, thanks for permission to this forum. If my question is asked in the wrong section, please advise and I will correct. I am trying to find a match to a potentiometer I removed from an old Montogomery Wards Record player. I think from my research it is called a linear PC mount style as it...
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