diff --git a/ESP32/main.py b/ESP32/main.py
index 230905f..778ee43 100644
--- a/ESP32/main.py
+++ b/ESP32/main.py
@@ -34,7 +34,7 @@ def __setColor(color):
     b = int(b * blBrightness)
     return (r, g, b)
 
-def __setBusyLightColor(color, brightness):
+def __setDimmedColor(color, brightness):
     global blBrightness
     blBrightness = brightness
     global blColor
@@ -48,7 +48,7 @@ def __setBusyLightColor(color, brightness):
 def __setBusyLightStatus(status):
     status = status.upper()
     color = statusColors.get(status)
-    __setBusyLightColor(color, blBrightness)
+    __setDimmedColor(color, blBrightness)
     
     global blStatus
     blStatus = status.lower()
@@ -90,7 +90,7 @@ async def setBrightness(request):
     
     # Apply new brightness to current color
     color = blColor
-    __setBusyLightColor(color, brightness)
+    __setDimmedColor(color, brightness)
     
     # Restore global status
     blStatus = status
@@ -132,9 +132,9 @@ async def setColor(request):
                 return {'error': 'brightness out of bound (0.0 - 1.0)'}, 400
         else:
             return {'error': 'wrong brightness type (float)'}, 400
-        __setBusyLightColor(color, brightness)
+        __setDimmedColor(color, brightness)
     
-    __setBusyLightColor(color, blBrightness)
+    __setDimmedColor(color, blBrightness)
 
     return {
         'status': blStatus,
@@ -162,13 +162,13 @@ async def setStatus(request, status):
         'blinking': blBlinking
     }
 
-async def __blinkTask(color, brightness, frequency, duration):
-    global blBlinking, blStatus, blColor, blBrightness
+async def __blinkTask(frequency, duration):
+    global blBlinking, blColor, blBrightness
     blBlinking = True
     interval = 1.0 / (frequency * 2)  # half period in seconds
     elapsed = 0.0
     while blBlinking:
-        neoPixelStrip.fill(__setColor(color))
+        neoPixelStrip.fill(__setDimmedColor(blColor, blBrightness))
         neoPixelStrip.write()
         await asyncio.sleep(interval)
         neoPixelStrip.fill((0, 0, 0))
@@ -180,8 +180,7 @@ async def __blinkTask(color, brightness, frequency, duration):
                 break
     # Restore previous state
     blBlinking = False
-    __setBusyLightColor(color, brightness)
-    blStatus = blPreviousStatus
+    __setDimmedColor(blColor, blBrightness)
 
 @app.post('/api/blink/stop')
 async def blinkStop(request):
@@ -200,21 +199,18 @@ async def setBlink(request):
     if frequency is None or duration is None:
         return {'error': 'missing frequency or duration parameter'}, 400
 
-    if not isinstance(frequency, int) or frequency <= 0:
-        return {'error': 'frequency must be a positive integer (Hz)'}, 400
+    if not isinstance(frequency, float) or frequency <= 0:
+        return {'error': 'frequency must be a positive float (Hz)'}, 400
 
     if not (isinstance(duration, (int, float))) or duration < 0:
         return {'error': 'duration must be a positive float in seconds (0 = endless)'}, 400
 
     # Save current state
-    global blPreviousStatus, blBlinking, blBlinkFrequency, blBlinkDuration, blBlinkStartTime
-    blPreviousStatus = blStatus
-    savedColor = blColor
-    savedBrightness = blBrightness
+    global blBlinking, blBlinkFrequency, blBlinkDuration, blBlinkStartTime
 
     # Stop any ongoing blink
     blBlinking = False
-    await asyncio.sleep(0)
+    await asyncio.sleep(0.5)
 
     # Save blink params
     blBlinkFrequency = frequency
@@ -222,7 +218,7 @@ async def setBlink(request):
     blBlinkStartTime = time.ticks_ms()
 
     # Launch blink task
-    asyncio.create_task(__blinkTask(savedColor, savedBrightness, frequency, duration))
+    asyncio.create_task(__blinkTask(frequency, duration))
 
     elapsed = time.ticks_diff(time.ticks_ms(), blBlinkStartTime) / 1000.0
     remains = max(0.0, blBlinkDuration - elapsed)
@@ -308,7 +304,7 @@ async def shutdown(request):
 # Startup effect
 def startUpSeq():
     print('Start seq begins')
-    __setBusyLightColor(statusColors.get('OFF'), 0.1)
+    __setDimmedColor(statusColors.get('OFF'), 0.1)
     time.sleep_ms(100)
     __setBusyLightStatus('BUSY')
     time.sleep_ms(200)
@@ -323,4 +319,4 @@ startUpSeq()
         
 # Start API webserver
 if __name__ == '__main__':
-    app.run(port=80, debug=True)
\ No newline at end of file
+    app.run(port=80, debug=True)