diff --git a/firmware/main.c b/firmware/main.c
index f849edc..e162d74 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -3,18 +3,19 @@
 #include <stdbool.h>
 #include <ring-light/temp-adc.h>
 
-#define RING_MAX_LED	30u
+#define RING_MAX_LED	32u
 
 enum ring_modes {
-	RING_MODE_ALL,
-	RING_MODE_RED,
-	RING_MODE_GREEN,
-	RING_MODE_BLUE,
-	RING_MODE_WHITE,
-	RING_MODE_ARC,
-	RING_MODE_QUARTER,
-	RING_MODE_IN_FARBE_UND_BUNT,
-	RING_MODE_MAX
+	RING_MODE_ALL,                  /*!< control all LEDs at once */
+	RING_MODE_RED,                  /*!< only red SK6812 */
+	RING_MODE_GREEN,                /*!< only green SK6812 */
+	RING_MODE_BLUE,                 /*!< only blue SK6812 */
+	RING_MODE_WHITE,                /*!< only white SK6812 */
+	RING_MODE_WHITE_DISCRETE,       /*!< only discrete white LEDs */
+	RING_MODE_ARC,                  /*!< SK6812 closing ring */
+	RING_MODE_QUARTER,              /*!< SK6812 walking quarter */
+	RING_MODE_IN_FARBE_UND_BUNT,    /*!< SK6812 color mix */
+	RING_MODE_MAX                   /*!< end of list */
 };
 
 volatile int32_t temperature;
@@ -33,12 +34,13 @@ int main(void)
 {
 	uint32_t led_val = 0x00UL;
 	uint32_t led_calc_val[RING_MAX_LED] = {0x00UL};
+	uint8_t led_pwm_val = 0u;
 
 	bool button_pressed = false;
 	enum ring_modes mode = RING_MODE_ALL;
 
-	RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
-	RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
+	RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
+	RCC->APB1ENR |= RCC_APB1ENR_TIM3EN | RCC_APB1ENR_TIM14EN;
 
 	GPIOA->MODER |= (2<<7*2)|(2<<6*2)|(1<<3*2);
 
@@ -47,6 +49,11 @@ int main(void)
 	/* enable TIM3 on encoder inputs */
 	GPIOA->AFR[0] |= (1<<7*4)|(1<<6*4);
 
+	/* enable PWM output for magic LED regulator */
+	GPIOB->MODER |= (2<<1*2);
+	GPIOB->AFR[0] &= ~(0<<1*4);
+
+	/*! -# init the TIM3 to read the encoder */
 	TIM3->ARR = 0xFFFF;
 	TIM3->CNT = 0;
 	TIM3->CR2 = 0;
@@ -56,17 +63,38 @@ int main(void)
 	TIM3->PSC = 0;
 	TIM3->CR1 = TIM_CR1_CEN;
 
+	/*! -# init TIM14 for PWM control of the magic LED driver */
+	/*! -# count up to 255 (0 bit resolution) */
+	TIM14->ARR = 0x00FFu;
+	TIM14->CNT = 0u;
+	TIM14->CCR1 = 0u;
+	/*! -# set prescaler to 16 ==> ca. 11 KHz */
+	TIM14->PSC = 15u;
+	/*! -# PWM Mode 1 + prefetch */
+	TIM14->CCMR1 = TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1PE;
+	/*! -# enable Output compare 1 */
+	TIM14->CCER = TIM_CCER_CC1E;
+	/*! -# finally enable TIM14 */
+	TIM14->CR2 = 0;
+	TIM14->CR1 = TIM_CR1_CEN;
+
+	/*! -# set initial state to all 25% */
+	led_val = 64u;
+	mode    = RING_MODE_ALL;
+
 	temperature_adc_init();
 
 	SysTick_Config(800000);
 	while(1) {
 		temperature = temperature_adc_get_temp();
+		led_pwm_val = 0u;
 		switch (mode)
 		{
 		case RING_MODE_ALL:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
-				led_calc_val[i] = (led_val << 24) + (led_val << 16) + (led_val << 8) + led_val; 
+				led_calc_val[i] = (led_val << 24) + (led_val << 16) + (led_val << 8) + led_val;
 			}
+			led_pwm_val = led_val;
 			break;
 		case RING_MODE_RED:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
@@ -75,23 +103,29 @@ int main(void)
 			break;
 		case RING_MODE_GREEN:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
-				led_calc_val[i] = led_val << 24; 
+				led_calc_val[i] = led_val << 24;
 			}
 			break;
 		case RING_MODE_BLUE:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
-				led_calc_val[i] = led_val << 8; 
+				led_calc_val[i] = led_val << 8;
 			}
 			break;
 		case RING_MODE_WHITE:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
-				led_calc_val[i] = led_val; 
+				led_calc_val[i] = led_val;
 			}
 			break;
+		case RING_MODE_WHITE_DISCRETE:
+			for(int i = 0; i < RING_MAX_LED; i ++) {
+				led_calc_val[i] = 0u;
+			}
+			led_pwm_val = led_val;
+			break;
 		case RING_MODE_ARC:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
 				if(led_val > i*8) {
-					led_calc_val[i] = 0xFFFFFFFFUL; 
+					led_calc_val[i] = 0xFFFFFFFFUL;
 				}
 				else {
 					led_calc_val[i] = 0x00000000UL;
@@ -101,7 +135,7 @@ int main(void)
 		case RING_MODE_QUARTER:
 			for(int i = 0; i < RING_MAX_LED; i ++) {
 				if((led_val / 7 > i) && (led_val / 7 < (i + 7))) {
-					led_calc_val[i] = 0xFFFFFFFFUL; 
+					led_calc_val[i] = 0xFFFFFFFFUL;
 				}
 				else {
 					led_calc_val[i] = 0x00000000UL;
@@ -121,7 +155,7 @@ int main(void)
 				case 2:
 					led_calc_val[i] = 0x0000FF00UL;
 					break;
-				
+
 				default:
 					break;
 				}
@@ -133,6 +167,8 @@ int main(void)
 			}
 			break;
 		}
+
+		TIM14->CCR1 = led_pwm_val;
 		__disable_irq();
 		for(int i = 0; i < RING_MAX_LED; i ++) {
 			sk6812_send_led(led_calc_val[i]);
@@ -165,4 +201,4 @@ int main(void)
 
 void SysTick_Handler(void) {
 	wait_tick++;
-}
\ No newline at end of file
+}