Pedal Sensors: Potentiometer vs Hall Effect

What the two sensor words mean

A racing wheel listing that includes pedals may name the sensor inside the pedals. Two words appear most often: potentiometer and Hall effect. Both words describe how the pedal reads position, not a figure for force or travel. The sensor word is part of the stated details, like the drive type or the rotation figure on the wheel base, and it helps you separate pedal tiers when you compare listings.

A potentiometer pedal set reads position through a sliding contact that changes resistance as the pedal moves. A Hall effect pedal set reads position from a magnetic field and a sensor, without a sliding contact. The word on the listing names the sensing method.

Listings use a few related variants. 'Hall effect pedals', 'magnetic pedals' and 'contactless pedals' all point to the same idea of a magnetic reading. Thrustmaster's home page, for example, describes its T-LCM pedals as a 'multiplatform magnetic pedal set'.

How each sensing method works

In a potentiometer pedal, a sliding contact moves along a resistive track. The pedal angle changes the resistance, and the signal changes with the position. It is a contact-based reading: the part that slides is the part that senses.

In a Hall effect pedal, a small magnet moves past a sensor as the pedal travels. The sensor reads the magnetic field and turns the position into a signal. No contact is needed between the moving part and the sensing part.

Both methods turn pedal travel into an electrical signal for the wheel base or the game. What a specific pedal set delivers, and any stated performance figure, comes from the maker's product page, not from the sensor word alone. You can read more about throttle sensor options in the throttle sensor article.

What the maker pages state

The maker pages used for this article state sensing details for specific models. Logitech G's racing wheel and pedal page names the RS Pedals SE as a 'hall effect Brake and Gas Pedals' set, and the RS Pedals as a '165.3 lbs (75 kg) Load Cell & Hall Effect' combination.

Thrustmaster's home page lists the T-LCM Pedals as a 'multiplatform magnetic pedal set'. Fanatec's home page describes its product lines and partnerships; the sensing details for a specific pedal set appear on the product page for that set.

When a maker states a sensor word, the word belongs to that model. It does not carry across the whole series unless the maker's page says so. The stated 75 kg figure for the RS Pedals brake belongs to that pedal set alone.

What the sensor word does not promise

A title that names Hall effect or potentiometer does not promise a feel, a measured precision, a lifespan, or a load cell. Those are claims a maker would have to state on its own page. The sensor word only names the sensing method.

The racing wheel guides on this site compare pedals on stated details only and sort by those details, not by price. A sensor word is a stated detail; a feel or a performance figure is not. For load cell brakes and the difference between a load cell and a Hall effect brake sensor, see the companion article.

Reading a pedal set in a bundle title

Bundle titles say 'wheel and pedals' and then name the pedal set. A two-pedal set has throttle and brake; a three-pedal set adds a clutch. The sensor word may appear in the title or in the bullet list.

A 'load cell' word describes the brake pedal's sensing method, which measures force rather than position. Many pedal sets pair a load cell brake with Hall effect or magnetic sensors for the throttle and clutch. Read the bullet list to see which pedal uses which sensor.

For the difference between two-pedal and three-pedal sets, see the two pedal versus three pedal article.

• Title words: wheel and pedals, two or three pedal set, sensor word
• Bullet list: which pedal uses which sensor, load cell brake
• Maker page: stated sensing details, compatibility, included parts

Pedal sets sold alone and the maker's pages

The guides on this site cover racing wheels and bundles with pedals. A pedal set sold on its own, or a pedal upgrade sold separately, is not part of those guides. Read the maker's product page for the sensor word and the included parts.

The maker's compatibility list and manual decide what a pedal set works with, which consoles it supports, and how it connects to a wheel base. The site cannot state compatibility that a maker page does not state. Questions about included parts and connections go to the maker's support pages. For maker-specific wheel guides, see the Logitech G racing wheel guide and the Thrustmaster racing wheel guide.

What to pick for your situation

Questions

What does Hall effect mean on a pedal listing?

Hall effect is a sensing method that reads pedal position from a magnetic field without a sliding contact. The word on a listing describes the sensing method, not a measured figure for force or travel.

What does potentiometer mean on a pedal listing?

A potentiometer reads pedal position through a sliding contact that changes resistance. Like Hall effect, the word describes how the pedal senses position.

Which pedal sensor is more accurate?

This site does not compare pedals by accuracy. Racing wheel and pedal guides compare stated details only. A maker's own claim about a pedal set is read on the maker's product and support pages.

Do Hall effect pedals last longer?

A Hall effect sensor works without a sliding contact. The site makes no lifespan claims; any statement about lifespan would come from the maker's own page.

Are pedals sold alone in the racing wheel guides?

Pedal sets sold alone are not part of the racing wheel guides, which cover wheels and bundles. A standalone pedal set is read on the maker's product page.

Where do I find a maker's compatibility list?

Maker support and product pages carry compatibility and manual information. The site reads platforms from listing titles and stated maker pages. For wheels that name a platform in the title, see the PS5 racing wheel guide and the Xbox racing wheel guide.

Do the guides compare pedal feel?

No. The racing wheel guides compare stated details from listing titles and maker pages. Feel is not a stated detail and is not part of the comparison.