Best Potentiometers of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Potentiometers are essential components in the industrial and scientific fields. These devices are used to measure and control electrical resistance, making them ideal for applications that require precise adjustments to voltage, current, and power. Potentiometers are commonly used in audio equipment, robotics, and industrial automation systems. They come in a variety of sizes and shapes, and can be customized to meet specific needs. With their versatility and reliability, potentiometers are a crucial part of many industrial and scientific processes.
At a Glance: Our Top Picks
Top 10 Potentiometers
EEEEE WH148 84pcs Potentiometer Kit
The EEEEE WH148 Potentiometer Set offers a wide range of resistance values from 1K to 1M ohms, providing you with plenty of options for different electronic projects. With 84 pieces included in the kit, you get a well-organized collection stored in individual compartments, making it easy to find the potentiometer you need. The set also comes with 24 durable rotary knobs, ensuring smooth and precise adjustments. This variety and convenience make the kit perfect for professionals and hobbyists working on guitar pedals, audio devices, or Arduino projects where reliable and adjustable resistance is key.
Swpeet 80Pcs Potentiometer Kit
The Swpeet Potentiometer Kit includes 105 pieces of high-quality potentiometers, knobs, nuts, and washers packed in a convenient plastic case. The kit features a variety of options for knobs and potentiometers that are perfect for beginners and Arduino projects. The potentiometers are made of metal and carbon film, with a single linear rotary taper and three terminals. The packaging is designed to keep everything organized and secure, with plastic wrap to prevent any messes during transit.
BOJACK 3296W Multiturn Trimmer Potentiometer Assortment Kit
Introducing the BOJACK 3296W Multiturn Trimmer Potentiometer Assortment Kit. This high-quality kit includes 60 pcs of potentiometers, with each model having 5 pcs. Designed by BOJACK, a trusted brand in potentiometers, this kit offers a wide range of resistance values from 100Ω to 500KΩ. With a rated power of 0.5 W and a max operating voltage of 300 V, these potentiometers are suitable for various electronic projects. The kit comes in a convenient plastic storage case, allowing you to easily organize and access the potentiometers. Whether you're a hobbyist or a professional, the BOJACK Trimmer Potentiometer Kit provides the versatility and reliability you need for your electronic endeavors.
WWZMDiB 40PCS Potentiometer Kit
WWZMDiB Potentiometer Kit is a set of 40 potentiometers with knobs ranging from B1K to 1M ohm. Made of metal and carbon film, these potentiometers are durable and stable. The shaft diameter is 6mm, suitable for various audio applications. Each potentiometer comes with three terminals for easy installation. The kit includes nuts, washers, and plastic knobs, making it convenient for volume control in guitars, stereos, and other audio equipment.
HiLetgo WH148 B1K 1K Ohm Potentiometer
The HiLetgo WH148 Potentiometer is a handy tool for adjusting electrical resistance in your projects. This single-joint potentiometer offers a smooth, linear resistance change, giving you precise control over your circuit’s output. With a 15mm shaft length, it’s easy to turn and adjust, making it comfortable to use in various applications. The 3-pin design ensures simple and reliable connections, so you can quickly integrate it into your electronic setups. Whether you’re fine-tuning volume, brightness, or other settings, this potentiometer offers convenience and accuracy for your DIY or repair tasks.
Comimark WH148 Type B10K Ohm Rotary Potentiometer
The Comimark WH148 Type B10K Ohm Linear Taper Rotary Potentiometer Panel Pot 3 Pin, also known as the Comimark B10K Potentiometer, is a versatile potentiometer designed for various applications. With its top adjustment feature, you can easily fine-tune the resistance to your desired level. The potentiometer has a resistance of 10K OHM OHMS, allowing you to control the flow of current effectively. Whether you're working on audio equipment or electronic circuits, this potentiometer is a reliable choice. The package includes 10 potentiometers, ensuring you have enough for your projects. Plus, if you have any concerns or issues with your purchase, the buyer center and support email are available 24/7 for quick replies.
HiLetgo 20pcs WH148 Single-Joint Potentiometer
This product is a set of 20pcs WH148 Single-Joint Potentiometer with 10K B10K variable resistors, 15mm actuator length, and 3 pins. It is a linearly diversified resistance potentiometer ideal for controlling various electronic devices.
TWTADE 10K Ohm Linear Taper Rotary Potentiometer
The TWTADE 10K Ohm Linear Taper Rotary Potentiometer features a top adjustment type, single linear (Type B), and a knurled shaft. It has a power supply of AC 220V-6A and comes with a JST-XH2.54 connector wire that is 200mm/7.8" long. The package includes 3 potentiometers with nuts, washers, and 3 black knobs. With a shaft diameter of 6mm / 0.2" and a shaft length of 15mm / 0.59", this potentiometer is perfect for adjusting audio or other electronic devices.
ALLECIN WH148 Potentiometer Kit
The ALLECIN Potentiometer Kit is an excellent choice for your electronic projects. With a range of resistances from 1K to 1MK Ohm, it allows you to find the perfect setting for your needs. This kit features a durable design that ensures a long lifespan, giving you reliable performance over time. The high conductivity of these potentiometers means you'll experience smooth and flexible control in your circuits. Additionally, the user-friendly packaging makes it easy for you to store and organize your components, while printed markings help you quickly identify each potentiometer.
10K Ohm Trim Potentiometer Breadboard Kit with Knob (12 Pieces)
This trim potentiometer kit includes 12 pieces of blue knobs, designed with round pins and knurled knob with arrow design, making them suitable for both breadboarding and PCB. The linear resistance change mode of these potentiometers allows for easy connection and reliable long-term use. Each potentiometer measures 0.375 x 0.375 x 0.19 inch, requiring little space and easy to store.
Frequently Asked Questions (FAQs)
1. What is a potentiometer used for?
A potentiometer is commonly used as a voltage divider or variable resistor in electronic circuits. It finds applications in dimmer switches for lights, brightness controls in televisions, and faders in audio equipment, among others.
2. What are the three basic types of potentiometers?
Potentiometers can be classified into three main types: linear potentiometers, rotary potentiometers, and digital potentiometers. Each type has been designed to meet specific needs. However, rotary potentiometers are the most commonly used type.
3. Does a potentiometer change voltage?
Potentiometers, trimmers, and rheostats are all variable resistors. Potentiometers and trimmers can be used to create a variable voltage by adjusting the voltage between their wiper terminal and two ends. Rheostats, on the other hand, are used to vary the amount of current.
4. Why do we use a potentiometer instead of a voltmeter?
A potentiometer is preferred over a voltmeter for measuring the electromotive force (emf) of a cell because it does not draw any current from the primary circuit. This allows for more accurate measurements, making it act like an ideal voltmeter.
5. How is a potentiometer used in a circuit?
In a circuit, a potentiometer is wired by connecting one of its outer terminals to ground, the other outer terminal to power (e.g., 3.3V), and the middle terminal to an analog pin on the microcontroller for reading its position. This allows the potentiometer to act as a variable resistor or voltage divider.
6. Can I use a potentiometer to control motor speed?
Yes, a potentiometer can be used to control the speed of a motor. By using the potentiometer as a rheostat (a variable resistor), it can adjust the amount of current flowing through the motor, thereby controlling its speed.
During our potentiometer research, we found 24 potentiometer products and shortlisted 10 quality products. We collected and analyzed 14,506 customer reviews through our big data system to write the potentiometers list. We found that most customers choose potentiometers with an average price of $9.09.
The potentiometers are available for purchase. We have researched hundreds of brands and picked the top brands of potentiometers, including EEEEE, Swpeet, BOJACK, WWZMDiB, HiLetgo. The seller of top 1 product has received honest feedback from 202 consumers with an average rating of 4.8.
Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.