Questions tagged [potentiometer]
Mechanically adjustable variable resistor with three legs. It is used as a voltage divider. (It is not a meter at all, but got the name from its historical ancestor, which was a meter.)
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Active Bandpass with "Tunable" F Using Potentiometer
I'm trying to construct a simple bandpass filter circuit using the multiple feedback topology with one op-amp (I'd like to leave out a dual-opamp approach for now). I'd like the center frequency to be ...
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Potentiometer for Kitchen Fan
I'm exploring the possibility of building a potentiometer for my rangehood fan. The manufacturer (FanTech) of the fan actually sells one (EC-10VHL) but I'm having a hard time trying to find a ...
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Trimmer Potentiometer with Unexpected Voltage Range
I designed a voltage divider circuit using a trimmer potentiometer 3224J-1-103E for the first time. But, upon receiving the board, I found out that I was unable to tune the potentiometer across its ...
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What is the difference between capacitive liquid level sensor and potentiometer liquid level sensor
I have a sensor I use to determine the level of water in my swimming pool. One person has told me it is a capacitive sensor and another said it works like a potentiometer.
I would like to know what ...
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potentiometer volume control of backup beeper
Total newbie here. Please bear with me.
I am interested in making a gag gift for a friend, which uses a typical audio mixer slider to control the volume of a typical backup beeper.
This is Not ...
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How does this LDR circuit work? [closed]
All I know is that when I turn the lights off, the LED should light up, but I don't know how and why it works. Can you help me? I'd like to know how it works.
The 10k there is a potentiometer.
The ...
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Need Guidance on a DIY crane project
I'm working on a DIY project and am in need of a little guidance with my circuit setup. Here is the setup:
Motor: 12V, 0.6A, 10W (max output), Load current: 0.6A, Stall: 1.65A,
Potentiometer/Switch: ...
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How to test potentiometer with 4 In Line terminals [closed]
I need to test 3 identical Claro potentiometers that have 4 In Line terminals, (not 3 together and one elsewhere as others have asked about).
These are Claro EPVR/341 potentiometers that are also ...
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Using a Potentiometer to consecutively turn on 4 LEDs one at a time, while turning off the all LEDs before it
I'm not quite sure the simplest way to describe this and I'm only using LEDs as my example because it's the easiest way to simplify my circuit. I need to use 1 potentiometer to turn on 1 LED, then as ...
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Understanding AM/FM stereo receiver schematic
I am working on a parts list to build a AM/FM Stereo receiver (see https://electronics-diy.com/pdf/TEA5711.pdf). It's a design from Phillips Electronics using the TEA5711 IC. It was published in ...
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Name of mini potentiometer type?
I’m doing a repair of a compressor, but can’t find the potentiometers I need. I seems like a miniature version of the classic size that normally has 5 mm, and instead everything about 20% smaller. The ...
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How would I decide on the best LED intensity for TCS3200 sensor
This is for a custom project to detect fluid color and turbidity (a reduction in light passing through) using an Arduino micro, a TCS3200 sensor, and an LED. The tube sits in a custom housing, and the ...
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Should two potentiometers be powered by same source or separate?
I have two potentiometers. One measures the water in a tank up to a certain point. The second takes over after that and measures the water above the first. Currently I am powering both at the same ...
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6 Pin Potentiometer
I have a 6 Pin Potentiometer. I know that the 3 pins are separately a potentiometer and the other three pins are a part of other potentiometer. My question is what will happen if I externally short ...
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Changing potentiometer range with a resistor network
I suspect this may not be possible but I wanted to check with the hive mind first.
I have a float sensor with a resistance range of 22 to 220 ohms that needs to drive a gauge that shows full at 7 ohms ...