diff --git a/left/build/kds/.project b/left/build/kds/.project
index 9b30aed..b625fe7 100644
--- a/left/build/kds/.project
+++ b/left/build/kds/.project
@@ -96,6 +96,16 @@
 			<type>1</type>
 			<locationURI>PARENT-3-PROJECT_LOC/lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_smc.h</locationURI>
 		</link>
+		<link>
+			<name>drivers/fsl_tpm.c</name>
+			<type>1</type>
+			<locationURI>PARENT-3-PROJECT_LOC/lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_tpm.c</locationURI>
+		</link>
+		<link>
+			<name>drivers/fsl_tpm.h</name>
+			<type>1</type>
+			<locationURI>PARENT-3-PROJECT_LOC/lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_tpm.h</locationURI>
+		</link>
 		<link>
 			<name>startup/startup_MKL03Z4.S</name>
 			<type>1</type>
diff --git a/left/src/bridge_protocol_handler.c b/left/src/bridge_protocol_handler.c
index 549733d..41248fa 100644
--- a/left/src/bridge_protocol_handler.c
+++ b/left/src/bridge_protocol_handler.c
@@ -3,6 +3,7 @@
 #include "main.h"
 #include "i2c_addresses.h"
 #include "i2c.h"
+#include "led_pwm.h"
 
 void SetError(uint8_t error);
 void SetGenericError();
@@ -31,10 +32,16 @@ void BridgeProtocolHandler()
             BridgeTxSize = KEYBOARD_MATRIX_COLS_NUM*KEYBOARD_MATRIX_ROWS_NUM;
             memcpy(BridgeTxBuffer, keyMatrix.keyStates, BridgeTxSize);
             break;
-        case BRIDGE_COMMAND_SET_LED:
+        case BRIDGE_COMMAND_SET_TEST_LED:
             TEST_LED_OFF();
             BridgeTxSize = 0;
             TEST_LED_SET(BridgeRxBuffer[1]);
             break;
+        case BRIDGE_COMMAND_SET_LED_PWM:
+            BridgeTxSize = 0;
+            uint8_t brightnessPercent = BridgeRxBuffer[1];
+            LedPwm_SetBrightness(brightnessPercent);
+            TEST_LED_SET(brightnessPercent == 0);
+            break;
     }
 }
diff --git a/left/src/bridge_protocol_handler.h b/left/src/bridge_protocol_handler.h
index dbee2a3..539019c 100644
--- a/left/src/bridge_protocol_handler.h
+++ b/left/src/bridge_protocol_handler.h
@@ -14,7 +14,8 @@
     #define PROTOCOL_RESPONSE_GENERIC_ERROR 1
 
     #define BRIDGE_COMMAND_GET_KEY_STATES 0
-    #define BRIDGE_COMMAND_SET_LED        1
+    #define BRIDGE_COMMAND_SET_TEST_LED   1
+    #define BRIDGE_COMMAND_SET_LED_PWM    2
 
 // Variables:
 
diff --git a/left/src/init_peripherials.c b/left/src/init_peripherials.c
index 9981a32..ed286f1 100644
--- a/left/src/init_peripherials.c
+++ b/left/src/init_peripherials.c
@@ -6,6 +6,7 @@
 #include "fsl_i2c.h"
 #include "fsl_clock.h"
 #include "i2c.h"
+#include "led_pwm.h"
 
 void InitI2c() {
     port_pin_config_t pinConfig = {
@@ -41,5 +42,6 @@ void InitPeripherials(void)
 {
     InitLedDriver();
     InitTestLed();
+    LedPwm_Init();
     InitI2c();
 }
diff --git a/left/src/led_pwm.c b/left/src/led_pwm.c
new file mode 100644
index 0000000..2121be2
--- /dev/null
+++ b/left/src/led_pwm.c
@@ -0,0 +1,31 @@
+#include "led_pwm.h"
+#include "fsl_port.h"
+
+void LedPwm_Init() {
+    tpm_config_t tpmInfo;
+    tpm_chnl_pwm_signal_param_t tpmParam[1];/* = {{
+            .chnlNumber = LED_PWM_TPM_CHANNEL,
+            .level = kTPM_LowTrue,
+            .dutyCyclePercent = 00,
+    }};*/
+
+    CLOCK_EnableClock(LED_PWM_CLOCK);
+    PORT_SetPinMux(LED_PWM_PORT, LED_PWM_PIN, kPORT_MuxAlt2);
+
+    tpmParam[0].chnlNumber = LED_PWM_TPM_CHANNEL;
+    tpmParam[0].level = kTPM_LowTrue;
+    tpmParam[0].dutyCyclePercent = 100 - INITIAL_DUTY_CYCLE_PERCENT;
+    TPM_GetDefaultConfig(&tpmInfo);
+
+    TPM_Init(LED_PWM_TPM_BASEADDR, &tpmInfo);
+    TPM_SetupPwm(LED_PWM_TPM_BASEADDR, tpmParam, sizeof(tpmParam),
+                 kTPM_EdgeAlignedPwm, TPM_PWM_FREQUENCY, TPM_SOURCE_CLOCK);
+    TPM_StartTimer(LED_PWM_TPM_BASEADDR, kTPM_SystemClock);
+//    LedPwm_SetBrightness(INITIAL_DUTY_CYCLE_PERCENT);
+}
+
+void LedPwm_SetBrightness(uint8_t brightnessPercent)
+{
+    TPM_UpdatePwmDutycycle(LED_PWM_TPM_BASEADDR, LED_PWM_TPM_CHANNEL,
+            kTPM_EdgeAlignedPwm, 100-brightnessPercent);
+}
diff --git a/left/src/led_pwm.h b/left/src/led_pwm.h
new file mode 100644
index 0000000..456b5b2
--- /dev/null
+++ b/left/src/led_pwm.h
@@ -0,0 +1,27 @@
+#ifndef __LED_PWM_H__
+#define __LED_PWM_H__
+
+// Includes:
+
+    #include "fsl_tpm.h"
+
+// Macros:
+
+    #define LED_PWM_PORT  PORTB
+    #define LED_PWM_CLOCK kCLOCK_PortB
+    #define LED_PWM_PIN   5
+
+    #define LED_PWM_TPM_BASEADDR TPM1
+    #define LED_PWM_TPM_CHANNEL kTPM_Chnl_1
+
+    #define TPM_SOURCE_CLOCK CLOCK_GetFreq(kCLOCK_BusClk)
+    #define TPM_PWM_FREQUENCY 24000U
+
+    #define INITIAL_DUTY_CYCLE_PERCENT 100U
+
+// Functions:
+
+    extern void LedPwm_Init();
+    void LedPwm_SetBrightness(uint8_t brightnessPercent);
+
+#endif
diff --git a/right/src/led_pwm.c b/right/src/led_pwm.c
index d2d4c2e..eec11b3 100644
--- a/right/src/led_pwm.c
+++ b/right/src/led_pwm.c
@@ -15,7 +15,7 @@ void LedPwm_Init() {
 
     ftmParam[0].chnlNumber = (ftm_chnl_t)LED_PWM_FTM_CHANNEL;
     ftmParam[0].level = kFTM_LowTrue;
-    ftmParam[0].dutyCyclePercent = INITIAL_DUTY_CYCLE_PERCENT - 100;
+    ftmParam[0].dutyCyclePercent = 100 - INITIAL_DUTY_CYCLE_PERCENT;
     ftmParam[0].firstEdgeDelayPercent = 0;
     FTM_GetDefaultConfig(&ftmInfo);
 
@@ -28,6 +28,6 @@ void LedPwm_Init() {
 
 void LedPwm_SetBrightness(uint8_t brightnessPercent)
 {
-    FTM_UpdatePwmDutycycle(LED_PWM_FTM_BASEADDR, LED_PWM_FTM_CHANNEL, kFTM_EdgeAlignedPwm, brightnessPercent-100);
+    FTM_UpdatePwmDutycycle(LED_PWM_FTM_BASEADDR, LED_PWM_FTM_CHANNEL, kFTM_EdgeAlignedPwm, 100 - brightnessPercent);
     FTM_SetSoftwareTrigger(LED_PWM_FTM_BASEADDR, true);  // Triggers register update.
 }
diff --git a/right/src/main.c b/right/src/main.c
index b2229f9..8eac0a6 100644
--- a/right/src/main.c
+++ b/right/src/main.c
@@ -59,7 +59,7 @@ static const uint8_t testData[] =
    0x0a, 0x02, 0x2d, 0x02, 0x1d, 0x02, 0x1b, 0x02, 0x06, 0x02, 0x19, 0x02, 0x05, 0x02, 0x04, 0x02, 0x05, 0x02, 0x06,
    0x02, 0x07, 0x02, 0x08, 0x02, 0x09, 0x02, 0x02, 0x00 };
 
-void updateUsbReports()
+void UpdateUsbReports()
 {
     ResetActiveUsbKeyboardReport();
 
@@ -82,13 +82,13 @@ void main() {
     InitClock();
     LedDriver_InitAllLeds(1);
     KeyMatrix_Init(&KeyMatrix);
-    updateUsbReports();
+    UpdateUsbReports();
     InitUsb();
 
     // deserialize_Layer(testData, 0);
 
     while (1) {
-        updateUsbReports();
+        UpdateUsbReports();
         asm("wfi");
     }
 }
diff --git a/right/src/main.h b/right/src/main.h
index 45a99a2..fb78482 100644
--- a/right/src/main.h
+++ b/right/src/main.h
@@ -19,5 +19,6 @@
     extern key_matrix_t KeyMatrix;
     extern uint8_t PreviousKeyStates[SLOT_COUNT][MAX_KEY_COUNT_PER_MODULE];
     extern uint8_t CurrentKeyStates[SLOT_COUNT][MAX_KEY_COUNT_PER_MODULE];
+    extern void UpdateUsbReports();
 
 #endif
diff --git a/right/src/usb_protocol_handler.c b/right/src/usb_protocol_handler.c
index 374ffba..4dfd254 100644
--- a/right/src/usb_protocol_handler.c
+++ b/right/src/usb_protocol_handler.c
@@ -207,8 +207,10 @@ void applyConfig()
 
 void setLedPwm()
 {
-    uint8_t brightnessPercent = GenericHidInBuffer[1];
 #if UHK_PCB_MAJOR_VERSION == 7
+    uint8_t brightnessPercent = GenericHidInBuffer[1];
     LedPwm_SetBrightness(brightnessPercent);
+    uint8_t data[] = {2, brightnessPercent};
+    I2cWrite(I2C_MAIN_BUS_BASEADDR, I2C_ADDRESS_LEFT_KEYBOARD_HALF, data, sizeof(data));
 #endif
 }