diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index 80110f9704..cc7b4f1260 100644
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -296,6 +296,14 @@ sd: $(BUILD)/$(OUTPUT_FILENAME).hex
 	pyocd-flashtool -t $(MCU_VARIANT) $(SOFTDEV_HEX)
 	pyocd-flashtool -t $(MCU_VARIANT) $<
 
+else ifeq ($(FLASHER), idap)
+
+flash: $(BUILD)/$(OUTPUT_FILENAME).hex
+	IDAPnRFPRog $<
+
+sd: $(BUILD)/$(OUTPUT_FILENAME).hex
+	IDAPnRFPRog $(SOFTDEV_HEX) $<
+
 endif
 
 $(BUILD)/$(OUTPUT_FILENAME).elf: $(OBJ)
diff --git a/ports/nrf/README.md b/ports/nrf/README.md
index 659a556ae2..2a1667a3eb 100644
--- a/ports/nrf/README.md
+++ b/ports/nrf/README.md
@@ -34,6 +34,8 @@ This is a port of MicroPython to the Nordic Semiconductor nRF series of chips.
   * [Adafruit Feather nRF52](https://www.adafruit.com/product/3406)
   * [Thingy:52](http://www.nordicsemi.com/eng/Products/Nordic-Thingy-52)
   * [Arduino Primo](http://www.arduino.org/products/boards/arduino-primo)
+  * [IBK-BLYST-NANO breakout board](https://www.crowdsupply.com/i-syst/blyst-nano)
+  * [BLUEIO-TAG-EVIM BLYST Nano Sensor board](https://www.crowdsupply.com/i-syst/blyst-nano)
 * nRF52840
   * [PCA10056](http://www.nordicsemi.com/eng/Products/nRF52840-Preview-DK)
 
@@ -120,8 +122,20 @@ wt51822_s4at         | s110                    | Peripheral             | Manual
 pca10040             | s132                    | Peripheral and Central | [Segger](#segger-targets)
 feather52            | s132                    | Peripheral and Central | Manual, SWDIO and SWCLK solder points on the bottom side of the board
 arduino_primo        | s132                    | Peripheral and Central | [PyOCD](#pyocdopenocd-targets)
+ibk_blyst_nano       | s132                    | Peripheral and Central | [IDAP](#idap-midap-link-targets)
+idk_blyst_nano       | s132                    | Peripheral and Central | [IDAP](#idap-midap-link-targets)
+blueio_tag_evim      | s132                    | Peripheral and Central | [IDAP](#idap-midap-link-targets)
 pca10056             | s140                    | Peripheral and Central | [Segger](#segger-targets)
 
+## IDAP-M/IDAP-Link Targets
+
+Install the necessary tools to flash and debug using IDAP-M/IDAP-Link CMSIS-DAP Debug JTAG:
+
+[IDAPnRFProg for Linux](https://sourceforge.net/projects/idaplinkfirmware/files/Linux/IDAPnRFProg_1_7_190320.zip/download)
+[IDAPnRFProg for OSX](https://sourceforge.net/projects/idaplinkfirmware/files/OSX/IDAPnRFProg_1_7_190320.zip/download)
+[IDAPnRFProg for Windows](https://sourceforge.net/projects/idaplinkfirmware/files/Windows/IDAPnRFProg_1_7_190320.zip/download)
+
+
 ## Segger Targets
 
 Install the necessary tools to flash and debug using Segger:
diff --git a/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h
new file mode 100644
index 0000000000..afc3f00a81
--- /dev/null
+++ b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 I-SYST inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#define MICROPY_HW_BOARD_NAME       "BLUEIO-TAG-EVIM"
+#define MICROPY_HW_MCU_NAME         "NRF52832"
+#define MICROPY_PY_SYS_PLATFORM     "BLYST Nano"
+
+#define MICROPY_PY_MACHINE_SOFT_PWM (1)
+#define MICROPY_PY_MUSIC            (1)
+
+#define MICROPY_PY_MACHINE_UART     (1)
+#define MICROPY_PY_MACHINE_HW_PWM   (1)
+#define MICROPY_PY_MACHINE_HW_SPI   (1)
+#define MICROPY_PY_MACHINE_TIMER    (1)
+#define MICROPY_PY_MACHINE_RTCOUNTER (1)
+#define MICROPY_PY_MACHINE_I2C      (1)
+#define MICROPY_PY_MACHINE_ADC      (1)
+#define MICROPY_PY_MACHINE_TEMP     (1)
+#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_HAS_LED          (1)
+#define MICROPY_HW_LED_COUNT        (4)
+#define MICROPY_HW_LED_PULLUP       (1)
+
+#define MICROPY_HW_LED1             (30) // LED1
+#define MICROPY_HW_LED1_LEVEL		(0)
+#define MICROPY_HW_LED2             (20) // LED2
+#define MICROPY_HW_LED2_LEVEL		(1)
+#define MICROPY_HW_LED3             (19) // LED3
+#define MICROPY_HW_LED3_LEVEL		(1)
+#define MICROPY_HW_LED4             (18) // LED4
+#define MICROPY_HW_LED4_LEVEL		(1)
+
+// UART config
+#define MICROPY_HW_UART1_RX         (8)
+#define MICROPY_HW_UART1_TX         (7)
+#define MICROPY_HW_UART1_CTS        (12)
+#define MICROPY_HW_UART1_RTS        (11)
+#define MICROPY_HW_UART1_HWFC       (1)
+
+// SPI0 config
+#define MICROPY_HW_SPI0_NAME        "SPI0"
+#define MICROPY_HW_SPI0_SCK         (23) //
+#define MICROPY_HW_SPI0_MOSI        (24) //
+#define MICROPY_HW_SPI0_MISO        (25) //
+
+#define MICROPY_HW_PWM0_NAME        "PWM0"
+#define MICROPY_HW_PWM1_NAME        "PWM1"
+#define MICROPY_HW_PWM2_NAME        "PWM2"
+
+// buzzer pin
+#define MICROPY_HW_MUSIC_PIN        (14)
+
+#define HELP_TEXT_BOARD_LED         "1,2,3,4"
diff --git a/ports/nrf/boards/blueio_tag_evim/mpconfigboard.mk b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.mk
new file mode 100644
index 0000000000..02a3177446
--- /dev/null
+++ b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.mk
@@ -0,0 +1,8 @@
+MCU_SERIES = m4
+MCU_VARIANT = nrf52
+MCU_SUB_VARIANT = nrf52832
+SOFTDEV_VERSION = 6.1.1
+LD_FILES += boards/nrf52832_512k_64k.ld
+FLASHER = idap
+
+NRF_DEFINES += -DNRF52832_XXAA
diff --git a/ports/nrf/boards/blueio_tag_evim/pins.csv b/ports/nrf/boards/blueio_tag_evim/pins.csv
new file mode 100644
index 0000000000..90bf84a04d
--- /dev/null
+++ b/ports/nrf/boards/blueio_tag_evim/pins.csv
@@ -0,0 +1,30 @@
+P2,P2
+P3,P3
+P4,P4
+P5,P5
+P6,P6
+P7,P7
+P8,P8
+P9,P9
+P10,P10
+P11,P11
+P12,P12
+P13,P13
+P14,P14
+P15,P15
+P16,P16
+P17,P17
+P18,P18
+P19,P19
+P20,P20
+P21,P21
+P22,P22
+P23,P23
+P24,P24
+P25,P25
+P26,P26
+P27,P27
+P28,P28
+P29,P29
+P30,P30
+P31,P31
diff --git a/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h
new file mode 100644
index 0000000000..11b8c28e38
--- /dev/null
+++ b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 I-SYST inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#define MICROPY_HW_BOARD_NAME       "IBK-BLYST-NANO"
+#define MICROPY_HW_MCU_NAME         "NRF52832"
+#define MICROPY_PY_SYS_PLATFORM     "BLYST Nano"
+
+#define MICROPY_PY_MACHINE_SOFT_PWM (1)
+#define MICROPY_PY_MUSIC            (1)
+
+#define MICROPY_PY_MACHINE_UART     (1)
+#define MICROPY_PY_MACHINE_HW_PWM   (1)
+#define MICROPY_PY_MACHINE_HW_SPI   (1)
+#define MICROPY_PY_MACHINE_TIMER    (1)
+#define MICROPY_PY_MACHINE_RTCOUNTER (1)
+#define MICROPY_PY_MACHINE_I2C      (1)
+#define MICROPY_PY_MACHINE_ADC      (1)
+#define MICROPY_PY_MACHINE_TEMP     (1)
+#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_HAS_LED          (1)
+#define MICROPY_HW_LED_COUNT        (3)
+#define MICROPY_HW_LED_PULLUP       (1)
+
+#define MICROPY_HW_LED1             (30) // LED1
+#define MICROPY_HW_LED2             (29) // LED2
+#define MICROPY_HW_LED3             (28) // LED3
+
+// UART config
+#define MICROPY_HW_UART1_RX         (8)
+#define MICROPY_HW_UART1_TX         (7)
+#define MICROPY_HW_UART1_CTS        (12)
+#define MICROPY_HW_UART1_RTS        (11)
+#define MICROPY_HW_UART1_HWFC       (1)
+
+// SPI0 config
+#define MICROPY_HW_SPI0_NAME        "SPI0"
+#define MICROPY_HW_SPI0_SCK         (23) //
+#define MICROPY_HW_SPI0_MOSI        (24) //
+#define MICROPY_HW_SPI0_MISO        (25) //
+
+#define MICROPY_HW_PWM0_NAME        "PWM0"
+#define MICROPY_HW_PWM1_NAME        "PWM1"
+#define MICROPY_HW_PWM2_NAME        "PWM2"
+
+#define HELP_TEXT_BOARD_LED         "1,2,3"
diff --git a/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.mk b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.mk
new file mode 100644
index 0000000000..02a3177446
--- /dev/null
+++ b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.mk
@@ -0,0 +1,8 @@
+MCU_SERIES = m4
+MCU_VARIANT = nrf52
+MCU_SUB_VARIANT = nrf52832
+SOFTDEV_VERSION = 6.1.1
+LD_FILES += boards/nrf52832_512k_64k.ld
+FLASHER = idap
+
+NRF_DEFINES += -DNRF52832_XXAA
diff --git a/ports/nrf/boards/ibk_blyst_nano/pins.csv b/ports/nrf/boards/ibk_blyst_nano/pins.csv
new file mode 100644
index 0000000000..90bf84a04d
--- /dev/null
+++ b/ports/nrf/boards/ibk_blyst_nano/pins.csv
@@ -0,0 +1,30 @@
+P2,P2
+P3,P3
+P4,P4
+P5,P5
+P6,P6
+P7,P7
+P8,P8
+P9,P9
+P10,P10
+P11,P11
+P12,P12
+P13,P13
+P14,P14
+P15,P15
+P16,P16
+P17,P17
+P18,P18
+P19,P19
+P20,P20
+P21,P21
+P22,P22
+P23,P23
+P24,P24
+P25,P25
+P26,P26
+P27,P27
+P28,P28
+P29,P29
+P30,P30
+P31,P31
diff --git a/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h
new file mode 100644
index 0000000000..1d39ad7569
--- /dev/null
+++ b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 I-SYST inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#define MICROPY_HW_BOARD_NAME       "IDK-BLYST-NANO"
+#define MICROPY_HW_MCU_NAME         "NRF52832"
+#define MICROPY_PY_SYS_PLATFORM     "BLYST Nano"
+
+#define MICROPY_PY_MACHINE_SOFT_PWM (1)
+#define MICROPY_PY_MUSIC            (1)
+
+#define MICROPY_PY_MACHINE_UART     (1)
+#define MICROPY_PY_MACHINE_HW_PWM   (1)
+#define MICROPY_PY_MACHINE_HW_SPI   (1)
+#define MICROPY_PY_MACHINE_TIMER    (1)
+#define MICROPY_PY_MACHINE_RTCOUNTER (1)
+#define MICROPY_PY_MACHINE_I2C      (1)
+#define MICROPY_PY_MACHINE_ADC      (1)
+#define MICROPY_PY_MACHINE_TEMP     (1)
+#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_HAS_LED          (1)
+#define MICROPY_HW_LED_COUNT        (4)
+#define MICROPY_HW_LED_PULLUP       (1)
+
+#define MICROPY_HW_LED1             (30) // LED1
+#define MICROPY_HW_LED2             (29) // LED2
+#define MICROPY_HW_LED3             (28) // LED3
+#define MICROPY_HW_LED4             (27) // LED4
+
+// UART config
+#define MICROPY_HW_UART1_RX         (8)
+#define MICROPY_HW_UART1_TX         (7)
+#define MICROPY_HW_UART1_CTS        (12)
+#define MICROPY_HW_UART1_RTS        (11)
+#define MICROPY_HW_UART1_HWFC       (1)
+
+// SPI0 config
+#define MICROPY_HW_SPI0_NAME        "SPI0"
+#define MICROPY_HW_SPI0_SCK         (23) //
+#define MICROPY_HW_SPI0_MOSI        (24) //
+#define MICROPY_HW_SPI0_MISO        (25) //
+
+#define MICROPY_HW_PWM0_NAME        "PWM0"
+#define MICROPY_HW_PWM1_NAME        "PWM1"
+#define MICROPY_HW_PWM2_NAME        "PWM2"
+
+#define HELP_TEXT_BOARD_LED         "1,2,3,4"
diff --git a/ports/nrf/boards/idk_blyst_nano/mpconfigboard.mk b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.mk
new file mode 100644
index 0000000000..02a3177446
--- /dev/null
+++ b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.mk
@@ -0,0 +1,8 @@
+MCU_SERIES = m4
+MCU_VARIANT = nrf52
+MCU_SUB_VARIANT = nrf52832
+SOFTDEV_VERSION = 6.1.1
+LD_FILES += boards/nrf52832_512k_64k.ld
+FLASHER = idap
+
+NRF_DEFINES += -DNRF52832_XXAA
diff --git a/ports/nrf/boards/idk_blyst_nano/pins.csv b/ports/nrf/boards/idk_blyst_nano/pins.csv
new file mode 100644
index 0000000000..90bf84a04d
--- /dev/null
+++ b/ports/nrf/boards/idk_blyst_nano/pins.csv
@@ -0,0 +1,30 @@
+P2,P2
+P3,P3
+P4,P4
+P5,P5
+P6,P6
+P7,P7
+P8,P8
+P9,P9
+P10,P10
+P11,P11
+P12,P12
+P13,P13
+P14,P14
+P15,P15
+P16,P16
+P17,P17
+P18,P18
+P19,P19
+P20,P20
+P21,P21
+P22,P22
+P23,P23
+P24,P24
+P25,P25
+P26,P26
+P27,P27
+P28,P28
+P29,P29
+P30,P30
+P31,P31
diff --git a/ports/nrf/modules/board/led.c b/ports/nrf/modules/board/led.c
index 687348cb86..8b1eb560ea 100644
--- a/ports/nrf/modules/board/led.c
+++ b/ports/nrf/modules/board/led.c
@@ -33,31 +33,122 @@
 
 #if MICROPY_HW_HAS_LED
 
-#define LED_OFF(pin) {(MICROPY_HW_LED_PULLUP) ? nrf_gpio_pin_set(pin) : nrf_gpio_pin_clear(pin); }
-#define LED_ON(pin) {(MICROPY_HW_LED_PULLUP) ? nrf_gpio_pin_clear(pin) : nrf_gpio_pin_set(pin); }
-
 typedef struct _board_led_obj_t {
     mp_obj_base_t base;
     mp_uint_t led_id;
     mp_uint_t hw_pin;
     uint8_t hw_pin_port;
+    bool act_level;
 } board_led_obj_t;
 
-STATIC const board_led_obj_t board_led_obj[] = {
+static inline void LED_OFF(board_led_obj_t * const led_obj) {
+    if (led_obj->act_level) {
+        nrf_gpio_pin_clear(led_obj->hw_pin);
+    }
+    else {
+        nrf_gpio_pin_set(led_obj->hw_pin);
+    }
+}
+
+static inline void LED_ON(board_led_obj_t * const led_obj) {
+    if (led_obj->act_level) {
+        nrf_gpio_pin_set(led_obj->hw_pin);
+    }
+    else {
+        nrf_gpio_pin_clear(led_obj->hw_pin);
+    }
+}
+
+
+static const board_led_obj_t board_led_obj[] = {
+
 #if MICROPY_HW_LED_TRICOLOR
-    {{&board_led_type}, BOARD_LED_RED, MICROPY_HW_LED_RED},
-    {{&board_led_type}, BOARD_LED_GREEN, MICROPY_HW_LED_GREEN},
-    {{&board_led_type}, BOARD_LED_BLUE, MICROPY_HW_LED_BLUE},
+
+    {{&board_led_type}, BOARD_LED_RED, MICROPY_HW_LED_RED, 0, MICROPY_HW_LED_PULLUP != 0 ? 0 : 1},
+    {{&board_led_type}, BOARD_LED_GREEN, MICROPY_HW_LED_GREEN,0, MICROPY_HW_LED_PULLUP != 0 ? 0 : 1},
+    {{&board_led_type}, BOARD_LED_BLUE, MICROPY_HW_LED_BLUE,0, MICROPY_HW_LED_PULLUP != 0 ? 0 : 1},
+
 #elif (MICROPY_HW_LED_COUNT == 1)
-    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1},
+
+    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1, 0,
+    #ifdef MICROPY_HW_LED1_LEVEL
+        MICROPY_HW_LED1_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+
 #elif (MICROPY_HW_LED_COUNT == 2)
-    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1},
-    {{&board_led_type}, BOARD_LED2, MICROPY_HW_LED2},
+
+    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1, 0,
+    #ifdef MICROPY_HW_LED1_LEVEL
+        MICROPY_HW_LED1_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED2, MICROPY_HW_LED2, 0,
+    #ifdef MICROPY_HW_LED2_LEVEL
+        MICROPY_HW_LED2_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+
+#elif (MICROPY_HW_LED_COUNT == 3)
+
+    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1, 0,
+    #ifdef MICROPY_HW_LED1_LEVEL
+        MICROPY_HW_LED1_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED2, MICROPY_HW_LED2, 0,
+    #ifdef MICROPY_HW_LED2_LEVEL
+        MICROPY_HW_LED2_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED3, MICROPY_HW_LED3, 0,
+    #ifdef MICROPY_HW_LED3_LEVEL
+        MICROPY_HW_LED3_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+
 #else
-    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1},
-    {{&board_led_type}, BOARD_LED2, MICROPY_HW_LED2},
-    {{&board_led_type}, BOARD_LED3, MICROPY_HW_LED3},
-    {{&board_led_type}, BOARD_LED4, MICROPY_HW_LED4},
+
+    {{&board_led_type}, BOARD_LED1, MICROPY_HW_LED1, 0,
+    #ifdef MICROPY_HW_LED1_LEVEL
+        MICROPY_HW_LED1_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED2, MICROPY_HW_LED2, 0,
+    #ifdef MICROPY_HW_LED2_LEVEL
+        MICROPY_HW_LED2_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED3, MICROPY_HW_LED3, 0,
+    #ifdef MICROPY_HW_LED3_LEVEL
+        MICROPY_HW_LED3_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
+    {{&board_led_type}, BOARD_LED4, MICROPY_HW_LED4, 0,
+    #ifdef MICROPY_HW_LED4_LEVEL
+        MICROPY_HW_LED4_LEVEL,
+    #else
+        MICROPY_HW_LED_PULLUP != 0 ? 0 : 1
+    #endif
+    },
 #endif
 };
 
@@ -65,16 +156,17 @@ STATIC const board_led_obj_t board_led_obj[] = {
 
 void led_init(void) {
     for (uint8_t i = 0; i < NUM_LEDS; i++) {
-        LED_OFF(board_led_obj[i].hw_pin);
+        LED_OFF((board_led_obj_t*)&board_led_obj[i]);
         nrf_gpio_cfg_output(board_led_obj[i].hw_pin);
     }
 }
 
 void led_state(board_led_obj_t * led_obj, int state) {
     if (state == 1) {
-        LED_ON(led_obj->hw_pin);
+        LED_ON(led_obj);
+
     } else {
-        LED_OFF(led_obj->hw_pin);
+        LED_OFF(led_obj);
     }
 }
 
diff --git a/ports/nrf/modules/board/led.h b/ports/nrf/modules/board/led.h
index 6210039f49..537b9ac546 100644
--- a/ports/nrf/modules/board/led.h
+++ b/ports/nrf/modules/board/led.h
@@ -38,6 +38,10 @@ typedef enum {
 #elif (MICROPY_HW_LED_COUNT == 2)
     BOARD_LED1 = 1,
     BOARD_LED2 = 2,
+#elif (MICROPY_HW_LED_COUNT == 3)
+    BOARD_LED1 = 1,
+    BOARD_LED2 = 2,
+    BOARD_LED3 = 3,
 #else
     BOARD_LED1 = 1,
     BOARD_LED2 = 2,