 #define MPU_INT 7
 
 // Stepper motors and drivers
+#define HORIZ_RPM 30
+#define VERT_RPM HORIZ_RPM*3
 #define MOTOR_STEPS 200
 #define VERT_DIR 5
 #define VERT_STEP 6

}

/*
 * This is a callback invoked by selecting "Start"
 */
int onStart(int __){
    setPanoParams();

    // set panorama FOV
    if (!positionCamera("Top Left", NULL, NULL) ||
        !positionCamera("Bot Right", &horiz, &vert)){
        return false;
    }

    pano.setFOV(horiz, vert);
    running = true;
    menu.sync();
    if (!positionCamera("Adj start", NULL, NULL)){
        return false;
    }
    executePano();

        display.clearDisplay();
        display.setCursor(0,0);
        menu.render(display, DISPLAY_ROWS);
        displayBatteryStatus();
        display.display();
        delay(100);
