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See AllTMR vs Hall Effect Joysticks Explained
The article seems to be factually incorrect by promising better accuracy for TMR analog stick modules. That directly contradicts the explanatory article on the Gulikit website that actually supplies said modules, quote: "Is the resolution of the TMR joystick much higher than Hall effect joysticks?" "No, that's not the case. Carbon film joysticks, TMR joysticks, and Hall effect joysticks are all linear devices. TMR joysticks and Hall effect joysticks are both a type of electromagnetic joystick. For game controllers, the bandwidth of these three types of joystick sensors is sufficient. The resolution mainly depends on the sampling precision of the backend MCU, and is not closely related to the joystick itself. So after replacement, the joystick resolution, polling rate, and other performance characteristics will be consistent with the original controllers."