Wheel Hub Formula Apex Script -

F_vertical = 6000.0 # N (max cornering + bump) F_lateral = 8000.0 # N (cornering) T_brake = 2000.0 # Nm (max braking torque) R_tire = 0.33 # m (tire rolling radius) R_bolt_circle = 0.05 # m (50 mm) bolt_preload_N = 35000 # N per bolt (M12x1.5 class 12.9) num_bolts = 4

The script tells the LEDs on the hub when to flash. For an F1 car:

Without the script, the lights are just decoration. With it, they become a telemetry tool for your peripheral vision.

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In the hyper-competitive world of sim racing, victory is often measured in milliseconds. While raw pace comes from practice, consistency comes from hardware. For drivers using advanced direct drive wheels, the difference between a good lap and a great leaderboard-topping lap often lies in the firmware and scripting running behind the scenes.

One term that has been gaining significant traction in DIY and modding communities is the Wheel Hub Formula Apex Script.

Whether you are building a custom F1-style wheel from scratch, upgrading a generic hub, or trying to unlock hidden features in your existing setup, understanding this script is crucial. This article will dissect what the Wheel Hub Formula Apex Script is, how it enhances performance, how to install it, and how to write custom parameters to shave seconds off your lap times.

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#include <Joystick.h>
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_NeoPixel.h>
// ------------------- Configuration -------------------
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
#define OLED_RESET    -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define LED_PIN     10
#define LED_COUNT   8
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); Wheel Hub Formula Apex Script
// Rotary encoder pins
#define ENC1_CLK 2
#define ENC1_DT  3
#define ENC1_SW  4
// Buttons
#define BTN_DRS   5
#define BTN_PIT   6
#define TOGGLE1   7
#define PADDLE_UP 8
#define PADDLE_DN 9
// Joystick object
Joystick_ Joystick(JOYSTICK_DEFAULT_REPORT_ID,
JOYSTICK_TYPE_JOYSTICK, 32, 0,   // 32 buttons, no hat switch
false, false, false, false, false, false, false, false, false, false);
// Rotary state
volatile int enc1Pos = 0;
int lastEnc1CLK = LOW;
// Button states
bool lastDRS = HIGH, lastPit = HIGH, lastTog = HIGH;
bool lastPaddleUp = HIGH, lastPaddleDn = HIGH;
// LED pattern
uint32_t revColors[LED_COUNT] = 
strip.Color(0,255,0), strip.Color(0,255,0),
strip.Color(0,255,0), strip.Color(255,255,0),
strip.Color(255,255,0), strip.Color(255,0,0),
strip.Color(255,0,0), strip.Color(255,0,255)
;
// ------------------- Interrupt handler -------------------
void encoderISR() 
int clk = digitalRead(ENC1_CLK);
int dt = digitalRead(ENC1_DT);
if (clk != lastEnc1CLK) 
if (dt != clk) enc1Pos++;
else enc1Pos--;
lastEnc1CLK = clk;
 F_vertical = 6000
// ------------------- Setup -------------------
void setup() 
pinMode(ENC1_CLK, INPUT_PULLUP);
pinMode(ENC1_DT, INPUT_PULLUP);
pinMode(ENC1_SW, INPUT_PULLUP);
pinMode(BTN_DRS, INPUT_PULLUP);
pinMode(BTN_PIT, INPUT_PULLUP);
pinMode(TOGGLE1, INPUT_PULLUP);
pinMode(PADDLE_UP, INPUT_PULLUP);
pinMode(PADDLE_DN, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(ENC1_CLK), encoderISR, CHANGE);
Joystick.begin();
strip.begin();
strip.show(); // all off
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0,0);
display.println("Apex Hub Ready");
display.display();
delay(1000);

// ------------------- Main Loop -------------------
void loop() 
// ----- Read encoder position (map to 0-255) -----
int encVal = constrain(map(enc1Pos, -100, 100, 0, 255), 0, 255);
Joystick.setThrottle(encVal);   // send as throttle axis
// ----- Encoder button -----
Joystick.setButton(0, !digitalRead(ENC1_SW));
// ----- Standard buttons -----
Joystick.setButton(1, !digitalRead(BTN_DRS));
Joystick.setButton(2, !digitalRead(BTN_PIT));
Joystick.setButton(3, !digitalRead(TOGGLE1));
// ----- Paddle shifters (as button 4 & 5) -----
Joystick.setButton(4, !digitalRead(PADDLE_UP));
Joystick.setButton(5, !digitalRead(PADDLE_DN)); Without the script, the lights are just decoration
// ----- Simple rev light simulation (based on throttle) -----
int throttlePercent = map(encVal, 0, 255, 0, 100);
int ledsOn = map(throttlePercent, 0, 100, 0, LED_COUNT);
for (int i = 0; i < LED_COUNT; i++) 
if (i < ledsOn) strip.setPixelColor(i, revColors[i]);
else strip.setPixelColor(i, 0);
strip.show();
// ----- Update OLED (example: show encoder value as %) -----
display.clearDisplay();
display.setCursor(0,0);
display.print("Brake Bias: ");
display.print(throttlePercent);
display.print("%");
display.display();
delay(10);  // debounce + smooth USB reports

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| Aspect | Risk Level | |--------|-------------| | Account ban | High (Roblox ToS violation) | | Malware in downloaded scripts | Medium-High | | Executor detection | Medium | | Game-specific anti-cheat | Low-Medium |

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Most common for custom Formula hubs.

No two drivers are the same. A Verstappen-style script (sharp turn-in, high rotation) differs from a Hamilton-style script (smooth arc, rear stability). Use the following variables to tune your Wheel Hub Formula Apex Script.

For true “Apex” functionality (gear display, flag LEDs), replace the loop with SimHub serial protocol. Example snippet:

void loop() 
  if (Serial.available()) 
    String data = Serial.readStringUntil('\n');
    // Parse SimHub format: e.g., "RPM,GEAR,SPEED"
    // Update OLED and LEDs accordingly

Then run SimHub → Arduino → Send telemetry over Serial.

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