public void simulateVoltageAndCurrentLevels()
{

    // hss wip
    // for simulation purposes -- should remove
    
    double deltaSim;
    
    // simulate value for voltage leds
    
    deltaSim = (5 * Math.random()) - 2.5;
    
    voltSimLevel += deltaSim;
    
    if (voltSimLevel < 0) {
        voltSimLevel = 0;
    }
    
    if (voltSimLevel > 10) {
        voltSimLevel = 10;
    }
    
    notcherUI.voltageLeds.setValue(voltSimLevel);
    
    notcherUI.voltageLeds.repaint();
    
    
    // simulate value for current leds
    
    deltaSim = (5 * Math.random()) - 2.5;
    
    currentSimLevel += deltaSim;
    
    if (currentSimLevel < 0) {
        currentSimLevel = 0;
    }
    
    if (currentSimLevel > 10) {
        currentSimLevel = 10;
    }
    
    notcherUI.currentLeds.setValue(currentSimLevel);
    
    notcherUI.currentLeds.repaint();

}// end of NotcherEventHandler::simulateVoltageAndCurrentLevels