potentiometer

  1. P

    "Light touch" rotary encoder/pot

    Hello All, I'm making a small Pong clone in hardware and purchased a few 10K pots for the paddle controls. They, unfortunately are a bit stiff to turn quickly, I think it's the friction of the wiper inside. Does anyone have a favorite for a rather "light friction" rotary encoder that would...
  2. D

    Using potentiometer to adjust volume on usb speaker

    So I am currently trying to build a multi-platform portable. I'm using a raspberry pi zero w. I have a USB speaker with its own audio card inside. I am attempting to use a potentiometer to allow volume adjustment. With the soldering points on this speaker board, I am unsure what to attach to the...
  3. NAND4011

    Potentiometer circuit to DC-Dimmer circuit: 3 wire to 4 wire connection?

    Looking for a plausible solution to the following problem: Background: 1. Currently - simple potentiometer (linear, 100k Ohm) control that controls an AC motor 2. Motor has a dedicated DC control circuit embedded with the following possible control connection points a). "Low Voltage +10V...
  4. F

    High Frequency Variable Resistor

    Hi, I'm looking for a variable resistor (rheostat) able to operate also with high frequency current. In particular, for my application, the current is sinusoidal with f=100kHz and amplitude of 40A. The range of variable resistance should be 0-200 Ohm and 0-10 kOhm (obviously for higher value...
  5. Z

    PIC- making potentiometer match second potentiometer not working

    I'm tryng to make a DC motor into a servo motor. The motor axle has a gear that is in sync with a gear on a potentiometer (MOTORPOT in the code) and I have another potentiometer that works as an input that the motor potentiometer should match in position however I set this pot(CONTROLPOT in...
  6. S

    Remove Volume Control from Creative Inspire 2400 Speakers

    Hello all, I sort of hyjacked another thread so I thought I should start a new one for my problem specifically. I have an old Creative Inspire 2400 2.1 channel speakers for my pc but the volume control pot went out. I opened the volume control and it looks to be a standard 6 pin pot. A wire...
  7. M

    Replacing potentiometers on vintage record player - PLEASE HELP.

    I'm trying to replace the poteniometers 1no Volume and 1no Tone on a 1970s Sonorama M390 vintage record player. Im struggling to find the right components, or even where to start with this. (few images included below) Volume: 1M Ohms B (as printed on the component), I'm unsure what Wattage...
  8. Kadav

    controling Arduino output voltage using a power supply

    Hello i am new to programing and especially Arduino i am looking for some help I am currently working on a project where i need to drive an outuput voltage of 12v to a heater, but i want to use a power supply .. that i can manually change the values of the output I also have in my mind an...
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