diff --git a/epicardium/epicardium.h b/epicardium/epicardium.h
index 2ad19134960d6ec35e110266ea0abab3754b255a..e9071d04ba0ccb04221b6edd618a3cbfb723989b 100644
--- a/epicardium/epicardium.h
+++ b/epicardium/epicardium.h
@@ -496,6 +496,8 @@ enum gpio_pin {
     EPIC_GPIO_WRISTBAND_3 = 3,
     /** ``4``, Wristband connector 4 */
     EPIC_GPIO_WRISTBAND_4 = 4,
+    /** ``5``, IR LED */
+    EPIC_GPIO_IR_LED = 5,
 };
 
 /** GPIO pin modes */
diff --git a/epicardium/modules/gpio.c b/epicardium/modules/gpio.c
index 72ce3ba6a83f3b492e63f2837f3aa3369e004e24..27601b5a447b4da77151252bb37b8f3973de9f5f 100644
--- a/epicardium/modules/gpio.c
+++ b/epicardium/modules/gpio.c
@@ -28,6 +28,10 @@ gpio_cfg_t gpio_configs[] = {
 				    PIN_20,
 				    GPIO_FUNC_OUT,
 				    GPIO_PAD_NONE },
+	[EPIC_GPIO_IR_LED] = { PORT_0,
+			       PIN_23,
+			       GPIO_FUNC_OUT,
+			       GPIO_PAD_NONE },
 };
 
 static int s_adc_channels[] = {
@@ -39,11 +43,12 @@ static int s_adc_channels[] = {
 	 */
 	[EPIC_GPIO_WRISTBAND_3] = -1,
 	[EPIC_GPIO_WRISTBAND_4] = ADC_CH_4,
+	[EPIC_GPIO_IR_LED] = ADC_CH_7,
 };
 
 int epic_gpio_set_pin_mode(uint8_t pin, uint8_t mode)
 {
-	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_WRISTBAND_4)
+	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_IR_LED)
 		return -EINVAL;
 
 	gpio_cfg_t *cfg = &gpio_configs[pin];
@@ -90,7 +95,7 @@ int epic_gpio_set_pin_mode(uint8_t pin, uint8_t mode)
 
 int epic_gpio_get_pin_mode(uint8_t pin)
 {
-	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_WRISTBAND_4)
+	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_IR_LED)
 		return -EINVAL;
 
 	gpio_cfg_t *cfg = &gpio_configs[pin];
@@ -111,7 +116,7 @@ int epic_gpio_get_pin_mode(uint8_t pin)
 
 int epic_gpio_write_pin(uint8_t pin, bool on)
 {
-	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_WRISTBAND_4)
+	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_IR_LED)
 		return -EINVAL;
 
 	gpio_cfg_t *cfg = &gpio_configs[pin];
@@ -128,7 +133,7 @@ int epic_gpio_write_pin(uint8_t pin, bool on)
 
 int epic_gpio_read_pin(uint8_t pin)
 {
-	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_WRISTBAND_4)
+	if (pin < EPIC_GPIO_WRISTBAND_1 || pin > EPIC_GPIO_IR_LED)
 		return -EINVAL;
 
 	gpio_cfg_t *cfg = &gpio_configs[pin];
diff --git a/pycardium/modules/gpio.c b/pycardium/modules/gpio.c
index 08db00b536b02ade2544b74a3ef24a94ef84e386..23a58ad787625c29c30b2515967c2ad8a8d8acbd 100644
--- a/pycardium/modules/gpio.c
+++ b/pycardium/modules/gpio.c
@@ -82,6 +82,8 @@ static const mp_rom_map_elem_t gpio_module_globals_table[] = {
 	  MP_OBJ_NEW_SMALL_INT(EPIC_GPIO_WRISTBAND_3) },
 	{ MP_ROM_QSTR(MP_QSTR_WRISTBAND_4),
 	  MP_OBJ_NEW_SMALL_INT(EPIC_GPIO_WRISTBAND_4) },
+	{ MP_ROM_QSTR(MP_QSTR_IR_LED),
+	  MP_OBJ_NEW_SMALL_INT(EPIC_GPIO_IR_LED) },
 	{ MP_ROM_QSTR(MP_QSTR_mode), MP_ROM_PTR(&gpio_module_modes) },
 };
 static MP_DEFINE_CONST_DICT(gpio_module_globals, gpio_module_globals_table);
diff --git a/pycardium/modules/qstrdefs.h b/pycardium/modules/qstrdefs.h
index d5039a5a90a28d144b1f05139de0001eae9758ce..1ea4b7bc94cf5739f60ac5c0ae8063b35380ad03 100644
--- a/pycardium/modules/qstrdefs.h
+++ b/pycardium/modules/qstrdefs.h
@@ -163,6 +163,7 @@ Q(WRISTBAND_1)
 Q(WRISTBAND_2)
 Q(WRISTBAND_3)
 Q(WRISTBAND_4)
+Q(IR_LED)
 Q(INPUT)
 Q(OUTPUT)
 Q(ADC)