The Ultimate Guide to Hall Effect controllers: What they are and why you need them


Every so often, a brand will release a controller, claiming that it is the answer to gamers’ prayers with its various bells and whistles. One such feature that’s often marketed as ‘for the pros’ is the inclusion of Hall Effect sticks. But what are they? And do you really need them, considering that the majority of controllers don’t feature them? I’m going to try to answer that question, and give you some options if you want to step into the world of magnetic mechanisms in your controllers.

What are Hall Effect joysticks? How do they differ from analog?

Hall Effect joysticks are a type of joysticks that use magnets and electrical conductors to measure their position, distance, and movement when in use. Unlike standard analog sticks, which use electrical resistance to detect movement, Hall Effect joysticks have no physical contact between the moving parts. This means that they do not wear out easily, and they do not develop stick drift, which is a common pain point for gamers. Stick drift is when the stick starts to behave unpredictably and causes unwanted movement in your game.

The term Hall Effect itself comes from the physicist who first discovered this phenomenon, Edwin Herbert Hall. In 1879, he observed that a voltage difference was generated across a conductor when it was placed in a perpendicular magnetic field. This voltage difference, or Hall voltage, is caused by the force that the magnetic field exerts on the moving electric charges in the conductor. The Hall Effect can be used to measure the type, number, and properties of the charge carriers in different materials, as well as to detect the presence of a current or a magnetic field. The Hall Effect is an important concept in physics and engineering, and it has many applications in sensors, switches, transducers, and devices.

The Sega Dreamcast solved stick drift way back in 1998 (Image credit: Spawn Wave on Youtube)

Analog sticks use potentiometers, which are devices that change their electrical resistance as you turn them. The stick has two potentiometers, one for the horizontal axis and one for the vertical axis. Generally, this is a much cheaper system and is why it’s used in most controllers. You may be surprised to learn that Hall Effect controllers are not a new invention. In fact, Sega had it in its Dreamcast controller in 1998, it’s just not widely used because it’s not the cheapest option.

Why should I care about Hall Effect sticks on a controller?





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