diff --git a/Inc/common_defines.h b/Inc/common_defines.h
index 1ae1d7e..e83242b 100644
--- a/Inc/common_defines.h
+++ b/Inc/common_defines.h
@@ -11,7 +11,7 @@
 
 //#define DEBUG
 
-#define FIRMWARE_VERSION					0x1412			// v1.4.1b2
+#define FIRMWARE_VERSION					0x1413			// v1.4.1b3
 #define USED_PINS_NUM							30					// constant for BluePill and BlackPill boards
 #define MAX_AXIS_NUM							8						// max 8
 #define MAX_BUTTONS_NUM						128					// power of 2, max 128
diff --git a/Inc/main.h b/Inc/main.h
index ef3ec1a..2499307 100644
--- a/Inc/main.h
+++ b/Inc/main.h
@@ -18,7 +18,7 @@
 
 static const dev_config_t init_config =
 {
-	.firmware_version = 0x1412,		// do not change
+	.firmware_version = 0x1413,		// do not change
 	
 	/* 
 		Name of device in devices dispatcher
diff --git a/MDK-ARM/FreeJoy.bin b/MDK-ARM/FreeJoy.bin
index c0e827c..7974009 100644
Binary files a/MDK-ARM/FreeJoy.bin and b/MDK-ARM/FreeJoy.bin differ
diff --git a/MDK-ARM/FreeJoy.uvoptx b/MDK-ARM/FreeJoy.uvoptx
index 2896770..57da301 100644
--- a/MDK-ARM/FreeJoy.uvoptx
+++ b/MDK-ARM/FreeJoy.uvoptx
@@ -148,24 +148,7 @@
           <Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0STM32F10x_128 -FS08000000 -FL020000 -FP0($$Device:STM32F103C8$Flash\STM32F10x_128.FLM))</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint>
-        <Bp>
-          <Number>0</Number>
-          <Type>0</Type>
-          <LineNumber>90</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134237344</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>1</BreakIfRCount>
-          <Filename>..\Src\leds.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression>\\FreeJoy\../Src/leds.c\90</Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <WatchWindow1>
         <Ww>
           <count>0</count>
diff --git a/Src/analog.c b/Src/analog.c
index a469c85..037a230 100644
--- a/Src/analog.c
+++ b/Src/analog.c
@@ -48,6 +48,9 @@ analog_data_t deadband_buffer[MAX_AXIS_NUM][DEADBAND_BUF_SIZE];
 	
 buttons_state_t axes_buttons[MAX_AXIS_NUM][3];
 
+uint8_t adc_cnt = 0;
+uint8_t sensors_cnt = 0;	
+	
 adc_channel_config_t channel_config[MAX_AXIS_NUM] =
 {
 	{ADC_Channel_0, 0}, {ADC_Channel_1, 1}, 
@@ -389,9 +392,6 @@ analog_data_t ShapeFunc (axis_config_t * p_axis_cfg,  analog_data_t value, uint8
   */
 void AxesInit (dev_config_t * p_dev_config)
 {
-	uint8_t adc_cnt = 0;
-	uint8_t sensors_cnt = 0;
-	
   ADC_InitTypeDef ADC_InitStructure;
 	DMA_InitTypeDef DMA_InitStructure;
 
@@ -506,6 +506,8 @@ void AxesInit (dev_config_t * p_dev_config)
   */
 void ADC_Conversion (void)
 {
+	if (adc_cnt > 0)
+	{
 		DMA_SetCurrDataCounter(DMA1_Channel1, MAX_AXIS_NUM);	
 		DMA_Cmd(DMA1_Channel1, ENABLE);
 		ADC_Cmd(ADC1, ENABLE);
@@ -517,6 +519,7 @@ void ADC_Conversion (void)
 			
 		ADC_Cmd(ADC1, DISABLE);
 		DMA_Cmd(DMA1_Channel1, DISABLE);
+	}
 }
 
 /**
diff --git a/Src/periphery.c b/Src/periphery.c
index c6448e7..f641339 100644
--- a/Src/periphery.c
+++ b/Src/periphery.c
@@ -86,7 +86,7 @@ void Timers_Init(dev_config_t * p_dev_config)
 	
 	RCC_GetClocksFreq(&RCC_Clocks);	
 	
-	// Encoders and HID timer
+	// Encoders, Axes and HID timer
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
 		
 	TIM_TimeBaseStructInit(&TIM_TimeBaseInitStructure);	
@@ -100,12 +100,11 @@ void Timers_Init(dev_config_t * p_dev_config)
 
 	TIM_Cmd(TIM1, ENABLE);	
 	
-	// Axes timer
-	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
-		
+	// PWM timer
+	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);		
 	TIM_TimeBaseStructInit(&TIM_TimeBaseInitStructure);	
 	TIM_TimeBaseInitStructure.TIM_Prescaler = RCC_Clocks.PCLK1_Frequency/100000 - 1;
-	TIM_TimeBaseInitStructure.TIM_Period = 400 - 1;			// 2ms
+	TIM_TimeBaseInitStructure.TIM_Period = 400 - 1;			// 2ms, 500Hz
 	TIM_TimeBaseInitStructure.TIM_ClockDivision = 0;
 	TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
 	TIM_TimeBaseInit(TIM3, &TIM_TimeBaseInitStructure);
diff --git a/Src/usb_endp.c b/Src/usb_endp.c
index 9e5c4fe..b402b85 100644
--- a/Src/usb_endp.c
+++ b/Src/usb_endp.c
@@ -79,7 +79,6 @@ void EP1_OUT_Callback(void)
 
 	// 2 second delay for joy report
 	joy_millis = GetTick() + 2000;
-	//Timers_Pause(2000);
 	
 	/* Read received data (2 bytes) */  
   USB_SIL_Read(EP1_OUT, hid_buf);