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Ghobar

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  1. I connected the potentiometer as told by ajnl in his tutorial. Now there is a problem: The turning of potentiometer can reduce the speed ONLY by ONE THIRD! My fan's full speed is about 1530; turning the pot to the lowest only reduces the speed to about 930. I want to have the full range of potentiometer, or at least a wider range. What is your idea? What is your solution? Good luck
  2. Under "Soldering Time", you said "First solder a wire to the left and middle part of the potentiometer,...". The picture 0629, shows that you have used a double wire and you have soldered one cord of it to the left part of the potentiometer, and the other cord to the middle part of the potentiometer. There arises some questions: 1. Can a single wire be used and be soldered to both the left and the middle parts? 2. According to the web page you have linked (Beginners' Guide to Potentiometers), there are different wiring plans. Can you explain your reasons in wiring as you do?
  3. Dear ajnl Your tutorial is illuminating and instructing. I am still acquiring knowledge. I have some questions: 1. It seems that potentiometers have two other factor, watts and amperes. So what should be the watt and ampere of the potentiometer that is required? 2. You have spoken about "Vf = minimum fan voltage". How can the minimum fan voltage be known? 3. Can you specify wire in terms other than gauge? Regards Ghobar
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