🎮 DS Cal

🧲 Hall Effect & TMR Stick Calibration Post-Installation Guide for DS4 and DualSense — Physical Alignment First

🟡 Intermediate ⏱️ ~15 minutes 🎮 DS4 + DualSense

⚡ Why Hall Effect Eliminates Stick Drift Permanently

Original DualShock 4 and DualSense controllers use potentiometer-based joystick modules. A potentiometer works by physically sliding a metal contact across a resistive track. Every stick movement creates friction. Over millions of inputs, the track wears down — changing the resistance value the controller reads as "center." This is the root cause of stick drift in virtually all PS4 and PS5 controllers.

Hall Effect sensors work on an entirely different principle. A small permanent magnet is mounted to the stick shaft. A sensor detects the magnetic field strength as the magnet moves through space. There is no physical contact between any moving parts — zero friction, zero wear. The sensor can outlast the rest of the controller's mechanical lifetime.

Property Potentiometer (Original) Hall Effect / TMR
Operating principle Physical contact / resistance Magnetic field / no contact
Friction during use Yes — wears over time Zero — no moving contact
Typical lifespan ~200–500 hours intensive use Effectively unlimited
Drift over time Inevitable with use Theoretically impossible (no wear)
Post-install calibration needed No (factory pre-calibrated) Yes — requires DualShock Calibration GUI
Cost to replace $3–8 per module (potentiometer) $15–30 per module (Hall Effect)
Physical drift repair possible Temporary via software Permanent upgrade

🔢 Complete Post-Installation Calibration

1

Install the Hall Effect Module

Disassemble your controller and replace the original potentiometer module with the Hall Effect or TMR replacement. Different modules have different installation methods — follow the instructions included with your specific module. Reassemble fully before proceeding to the calibration steps.

💡 iFixit has detailed disassembly guides for both DualShock 4 and DualSense.

2

⚠️ Physical Alignment — Do Not Skip

Connect the controller to your PC via USB. Open hardwaretester.com/gamepad in any browser. Do NOT open DualShock Calibration GUI yet.

Watch the live X and Y axis values for the affected stick. They will likely show a non-zero resting value (e.g., X: 0.12, Y: -0.08) — this is the physical offset of the new module.

Locate the adjustment hole on the Hall Effect module PCB (usually labeled "ADJ" or visible as a small potentiometer trim). Use a small flathead screwdriver to gently turn this adjustment while watching the gamepad tester values. Aim to bring both X and Y as close to 0.00 as possible.

✅ Target before software calibration:

  • Left Stick X: between -0.05 and +0.05
  • Left Stick Y: between -0.05 and +0.05
  • Right Stick X: between -0.05 and +0.05
  • Right Stick Y: between -0.05 and +0.05
3

Run Center Calibration

Open DualShock Calibration GUI. Connect your controller. Click Calibrate Stick Center. Complete the 4-corner wizard — push both sticks to all four corners in sequence. This fine-tunes the software center on top of the physical alignment.

4

Run Range Calibration

Click Calibrate Stick Range. Rotate both sticks in slow, complete circles with gentle pressure. Target circularity: 6–8% for standard Hall Effect modules, 7–9% for TMR (GuliKit King Kong Pro). Complete at least 2 full rotations in both directions.

5

Fine-Tune (DualSense only, optional)

If you have DualSense, open Fine-Tune mode and verify the X/Y offsets are within ±5. Use the auto circularity slider to adjust if needed. This step is optional but recommended for competitive players who need maximum precision.

6

Test volatile, then save permanently

Test in a game or on hardwaretester.com/gamepad. Verify (0,0) resting position, ±1.0 full push, and roughly circular rotation trace. If good — save permanently. If not — restart controller to revert, re-check physical alignment, recalibrate.

🛒 Compatible Hall Effect & TMR Modules

GuliKit Electromagnetic Module

Hall Effect

Specifically designed for DualSense. Most recommended option.

Compatible: DualSense Circularity: 6–8%

ALPS Hall Effect Module

Hall Effect

Closest behavior to original ALPS potentiometer. Drop-in replacement.

Compatible: DS4 V2 Circularity: 6–8%

GuliKit King Kong Pro Module

TMR

Higher precision TMR sensing. Requires GuliKit Test & Cal or this GUI.

Compatible: DS4 / DualSense Circularity: 7–9%

Extremerate Hall Effect

Hall Effect

Budget option. May require more offset correction. Variable by batch.

Compatible: DS4 / DualSense Circularity: 6–8%

🔗 Related

🔧 Open Calibration Tool → 🎯 Fine-Tune Guide → 🩺 Full Drift Fix Guide → ⚖️ GuliKit Tool Alternative →

❓ Hall Effect Calibration FAQ

Why do Hall Effect sticks need calibration after installation?
Hall Effect joystick modules measure stick position by sensing the magnetic field of a small magnet attached to the stick shaft. The exact magnetic field strength and center position varies slightly between individual modules due to manufacturing tolerances. The controller's firmware stores calibration values (center X/Y position, range boundaries) based on the original potentiometer module. A new Hall Effect module will have a different magnetic center position — often several percentage points off — which the firmware reads as constant drift. Calibration teaches the firmware the correct center for the new module.
What is the physical alignment adjustment on Hall Effect modules?
Most Hall Effect joystick modules have a small adjustment mechanism — typically a tiny hole or screw on the module PCB — that allows physical repositioning of the magnet relative to the sensor. Turning this adjustment shifts the magnetic center point. The goal is to use this adjustment to bring the stick reading as close to (0,0) as possible before running software calibration. Using a live gamepad tester (hardwaretester.com/gamepad) while making adjustments makes this process straightforward — watch the X and Y values converge toward zero as you turn the adjustment.
Can I skip the physical alignment and just use software calibration?
You can, but it is not recommended and often makes drift worse. Software calibration can compensate for small physical offsets, but if the physical offset is large (say, X: 0.15 at rest), the software has to push the center baseline far from the manufactured midpoint. This reduces effective range on one side and can cause the stick to behave inconsistently. Physical alignment first, then software calibration, gives the best and most stable result.
Does this guide apply to TMR (Tunnel Magnetoresistance) sticks?
Yes. TMR sticks (such as GuliKit King Kong Pro modules) use a different magnetic sensing technology than standard Hall Effect, but they share the same post-installation calibration requirement. The physical alignment step is the same, and DualShock Calibration GUI handles both types transparently. TMR sticks typically have slightly higher circularity targets (7–9%) due to their sensing characteristics.
Which Hall Effect replacement sticks are best for DualShock 4 and DualSense?
Widely used options: GuliKit Electromagnetic Module (specifically designed for DualSense, widely recommended), ALPS Hall Effect Module (DS4 V2 compatible, closest to original feel), GuliKit King Kong Pro TMR Module (higher precision, DS4/DualSense), Extremerate Hall Effect (budget option, may require more offset correction). All require DualShock Calibration GUI post-installation. GuliKit also provides their own Test & Cal tool for additional verification.