diff --git a/boards/nrf51dongle/Makefile b/boards/nrf51dongle/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..37891de8e6a2c369f1f81f7d875d257d482fe0ca
--- /dev/null
+++ b/boards/nrf51dongle/Makefile
@@ -0,0 +1,4 @@
+# tell the Makefile.base which module to build
+MODULE = $(BOARD)_base
+
+include $(RIOTBASE)/Makefile.base
diff --git a/boards/nrf51dongle/Makefile.features b/boards/nrf51dongle/Makefile.features
new file mode 100644
index 0000000000000000000000000000000000000000..c38538a11d91047b48960b1cd432f22f65d9e4b6
--- /dev/null
+++ b/boards/nrf51dongle/Makefile.features
@@ -0,0 +1,8 @@
+FEATURES_PROVIDED += cpp
+FEATURES_PROVIDED += radio_nrfmin
+FEATURES_PROVIDED += periph_uart
+FEATURES_PROVIDED += periph_gpio
+FEATURES_PROVIDED += periph_random
+FEATURES_PROVIDED += periph_rtt
+FEATURES_PROVIDED += periph_cpuid
+FEATURES_MCU_GROUP = cortex_m0
diff --git a/boards/nrf51dongle/Makefile.include b/boards/nrf51dongle/Makefile.include
new file mode 100644
index 0000000000000000000000000000000000000000..4f63a0059107831d93ef84bfeb3920cbbafcb605
--- /dev/null
+++ b/boards/nrf51dongle/Makefile.include
@@ -0,0 +1,26 @@
+# define the used CPU
+export CPU = nrf51
+export CPU_MODEL = nrf51x22xxab
+
+# define the default port depending on the host OS
+PORT_LINUX ?= /dev/ttyACM0
+PORT_DARWIN ?= $(shell ls -1 /dev/tty.SLAB_USBtoUART* | head -n 1)
+
+# define flash and debugging environment
+export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
+export DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
+export DEBUGSERVER = JLinkGDBServer -device nrf51822 -if SWD
+export RESET = $(RIOTBOARD)/$(BOARD)/dist/reset.sh
+
+export OFLAGS = -O binary
+export HEXFILE = $(ELFFILE:.elf=.bin)
+export TERMFLAGS += -p "$(PORT)"
+export FFLAGS = $(BINDIR) $(HEXFILE)
+export DEBUGGER_FLAGS = $(BINDIR) $(ELFFILE)
+export RESET_FLAGS = $(BINDIR)
+
+# setup serial terminal
+include $(RIOTBOARD)/Makefile.include.serial
+
+# include cortex defaults
+include $(RIOTBOARD)/Makefile.include.cortexm_common
diff --git a/boards/nrf51dongle/board.c b/boards/nrf51dongle/board.c
new file mode 100644
index 0000000000000000000000000000000000000000..7e00e24d6e3a84497389db094d6ed7836c71c18c
--- /dev/null
+++ b/boards/nrf51dongle/board.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2015 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup boards_nrf51dongle
+ * @{
+ *
+ * @file
+ * @brief Board initialization code for the nRF51 Dongle
+ *
+ * @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+ *
+ * @}
+ */
+
+#include "cpu.h"
+#include "board.h"
+
+void board_init(void)
+{
+ /* initialize the boards LEDs, set pins as output and turn LEDs off */
+ NRF_GPIO->DIRSET = (LED_RED_PIN | LED_GREEN_PIN | LED_BLUE_PIN);
+ NRF_GPIO->OUTSET = (LED_RED_PIN | LED_GREEN_PIN | LED_BLUE_PIN);
+ /* initialize the CPU */
+ cpu_init();
+}
diff --git a/boards/nrf51dongle/dist/debug.sh b/boards/nrf51dongle/dist/debug.sh
new file mode 100755
index 0000000000000000000000000000000000000000..24bdbae0f64f06cfd0aec7ab536f4e8d6a901a0a
--- /dev/null
+++ b/boards/nrf51dongle/dist/debug.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Start in-circuit debugging on this board: this script starts up the GDB
+# client and connects to a GDB server.
+#
+# Start the GDB server first using the 'make debugserver' target
+
+# @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+
+BINDIR=$1
+ELFFILE=$2
+
+# write GDB config file
+echo "target extended-remote 127.0.0.1:2331" > $BINDIR/gdb.cfg
+
+# run GDB
+arm-none-eabi-gdb -tui -command=$BINDIR/gdb.cfg $ELFFILE
diff --git a/boards/nrf51dongle/dist/flash.sh b/boards/nrf51dongle/dist/flash.sh
new file mode 100755
index 0000000000000000000000000000000000000000..0f4bbb33c7d77f6e738c07b3e817b2f7c37e3177
--- /dev/null
+++ b/boards/nrf51dongle/dist/flash.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# This flash script dynamically generates a file with a set of commands which
+# have to be handed to the flashing script of SEGGER (JLinkExe >4.84).
+# After that, JLinkExe will be executed with that set of commands to flash the
+# latest .bin file to the board.
+
+# @author Timo Ziegler <timo.ziegler@fu-berlin.de>
+# @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+
+BINDIR=$1
+HEXFILE=$2
+
+# setup JLink command file
+echo "device nrf51822" > $BINDIR/burn.seg
+echo "speed 1000" >> $BINDIR/burn.seg
+echo "w4 4001e504 1" >> $BINDIR/burn.seg
+echo "loadbin $HEXFILE 0" >> $BINDIR/burn.seg
+echo "r" >> $BINDIR/burn.seg
+echo "g" >> $BINDIR/burn.seg
+echo "exit" >> $BINDIR/burn.seg
+echo "" >> $BINDIR/burn.seg
+
+# flash new binary to the board
+JLinkExe < $BINDIR/burn.seg
diff --git a/boards/nrf51dongle/dist/reset.sh b/boards/nrf51dongle/dist/reset.sh
new file mode 100755
index 0000000000000000000000000000000000000000..509f127ea42beeaaf2e4316ab5e76e7be5e408a7
--- /dev/null
+++ b/boards/nrf51dongle/dist/reset.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# This script resets a nrf51822 target using JLink called
+# with a pre-defined reset sequence.
+
+# @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+
+BINDIR=$1
+
+# create JLink command file for resetting the board
+echo "device nrf51822" > $BINDIR/reset.seg
+echo "r" >> $BINDIR/reset.seg
+echo "g" >> $BINDIR/reset.seg
+echo "exit" >> $BINDIR/reset.seg
+echo " " >> $BINDIR/reset.seg
+
+# reset the board
+JLinkExe < $BINDIR/reset.seg
diff --git a/boards/nrf51dongle/include/board.h b/boards/nrf51dongle/include/board.h
new file mode 100644
index 0000000000000000000000000000000000000000..672710fb673f776d301412cf2e43de3e898cd275
--- /dev/null
+++ b/boards/nrf51dongle/include/board.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2015 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @defgroup boards_nrf51dongle nRF51 Dongle
+ * @ingroup boards
+ * @brief Board specific files for the Nordic nRF51 Dongle
+ * @{
+ *
+ * @file
+ * @brief Board specific configuration for the nRF51 Dongle
+ *
+ * @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#include "cpu.h"
+#include "periph_conf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Define the nominal CPU core clock in this board
+ */
+#define F_CPU (CLOCK_CORECLOCK)
+
+/**
+ * @brief Assign the hardware timer
+ */
+#define HW_TIMER TIMER_0
+
+/**
+ * @name Define the boards STDIO
+ * @{
+ */
+#define STDIO UART_0
+#define STDIO_BAUDRATE (115200U)
+#define STDIO_RX_BUFSIZE (64U)
+/** @} */
+
+/**
+ * @name LED pin definitions
+ * @{
+ */
+#define LED_RED_PIN (1 << 21)
+#define LED_GREEN_PIN (1 << 22)
+#define LED_BLUE_PIN (1 << 23)
+/** @} */
+
+/**
+ * @name Macros for controlling the on-board LEDs
+ * @{
+ */
+#define LED_RED_ON (NRF_GPIO->OUTCLR = LED_RED_PIN)
+#define LED_RED_OFF (NRF_GPIO->OUTSET = LED_RED_PIN)
+#define LED_RED_TOGGLE (NRF_GPIO->OUT ^= LED_RED_PIN)
+#define LED_GREEN_ON (NRF_GPIO->OUTCLR = LED_GREEN_PIN)
+#define LED_GREEN_OFF (NRF_GPIO->OUTSET = LED_GREEN_PIN)
+#define LED_GREEN_TOGGLE (NRF_GPIO->OUT ^= LED_GREEN_PIN)
+#define LED_BLUE_ON (NRF_GPIO->OUTCLR = LED_BLUE_PIN)
+#define LED_BLUE_OFF (NRF_GPIO->OUTSET = LED_BLUE_PIN)
+#define LED_BLUE_TOGGLE (NRF_GPIO->OUT ^= LED_BLUE_PIN)
+/** @} */
+
+/**
+ * @brief Initialize the board, also triggers the CPU initialization
+ */
+void board_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /** BOARD_H */
+/** @} */
diff --git a/boards/nrf51dongle/include/periph_conf.h b/boards/nrf51dongle/include/periph_conf.h
new file mode 100644
index 0000000000000000000000000000000000000000..e810f1ab755499d9f6a2bbda21c13d83dd4a03d4
--- /dev/null
+++ b/boards/nrf51dongle/include/periph_conf.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2015 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup boards_nrf51dongle
+ * @{
+ *
+ * @file
+ * @brief Peripheral configuration for the Nordic nRF51 Dongle
+ *
+ * @author Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef __PERIPH_CONF_H
+#define __PERIPH_CONF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name Clock configuration
+ *
+ * @note: the radio will not work with the internal RC oscillator!
+ *
+ * @{
+ */
+#define CLOCK_CORECLOCK (16000000U) /* fixed for all NRF51822 */
+#define CLOCK_CRYSTAL (16U) /* set to 0: internal RC oscillator
+ 16: 16MHz crystal
+ 32: 32MHz crystal */
+/** @} */
+
+/**
+ * @name Timer configuration
+ * @{
+ */
+#define TIMER_NUMOF (1U)
+#define TIMER_0_EN 1
+#define TIMER_1_EN 0
+#define TIMER_2_EN 0
+#define TIMER_IRQ_PRIO 1
+
+/* Timer 0 configuration */
+#define TIMER_0_DEV NRF_TIMER0
+#define TIMER_0_CHANNELS 3
+#define TIMER_0_MAX_VALUE (0xffffff)
+#define TIMER_0_BITMODE TIMER_BITMODE_BITMODE_24Bit
+#define TIMER_0_ISR isr_timer0
+#define TIMER_0_IRQ TIMER0_IRQn
+
+/* Timer 1 configuration */
+#define TIMER_1_DEV NRF_TIMER1
+#define TIMER_1_CHANNELS 3
+#define TIMER_1_MAX_VALUE (0xffff)
+#define TIEMR_1_BITMODE TIMER_BITMODE_BITMODE_16Bit
+#define TIMER_1_ISR isr_timer1
+#define TIMER_1_IRQ TIMER1_IRQn
+
+/* Timer 2 configuration */
+#define TIMER_2_DEV NRF_TIMER2
+#define TIMER_2_CHANNELS 3
+#define TIMER_2_MAX_VALUE (0xffff)
+#define TIMER_2_BITMODE TIMER_BITMODE_BITMODE_16Bit
+#define TIMER_2_ISR isr_timer2
+#define TIMER_2_IRQ TIMER2_IRQn
+/** @} */
+
+/**
+ * @name Real time counter configuration
+ * @{
+ */
+#define RTT_NUMOF (1U)
+#define RTT_IRQ_PRIO 1
+
+#define RTT_DEV NRF_RTC1
+#define RTT_IRQ RTC1_IRQn
+#define RTT_ISR isr_rtc1
+#define RTT_MAX_VALUE (0xffffff)
+#define RTT_FREQUENCY (10) /* in Hz */
+#define RTT_PRESCALER (3275U) /* run with 10 Hz */
+/** @} */
+
+/**
+ * @name UART configuration
+ * @{
+ */
+#define UART_NUMOF (1U)
+#define UART_0_EN 1
+#define UART_IRQ_PRIO 1
+
+/* UART pin configuration */
+#define UART_HWFLOWCTRL 1
+#define UART_PIN_RX 11
+#define UART_PIN_TX 9
+#define UART_PIN_RTS 8
+#define UART_PIN_CTS 10
+/** @} */
+
+/**
+ * @name Random Number Generator configuration
+ * @{
+ */
+#define RANDOM_NUMOF (1U)
+/** @} */
+
+/**
+ * @name Radio device configuration
+ *
+ * The radio is not guarded by a NUMOF define, as the radio is selected by its
+ * own module in the build system.
+ * @{
+ */
+#define RADIO_IRQ_PRIO 1
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PERIPH_CONF_H */
diff --git a/examples/ng_networking/Makefile b/examples/ng_networking/Makefile
index bd1b6fc874c54a388607c08f84525e51e2c1131f..bd24ff083090141d46cc9f96662fbacade43ec71 100644
--- a/examples/ng_networking/Makefile
+++ b/examples/ng_networking/Makefile
@@ -7,9 +7,10 @@ BOARD ?= native
# This has to be the absolute path to the RIOT base directory:
RIOTBASE ?= $(CURDIR)/../..
-BOARD_INSUFFICIENT_RAM := airfy-beacon chronos msb-430 msb-430h nucleo-f334 \
- pca10000 pca10005 redbee-econotag stm32f0discovery \
- telosb wsn430-v1_3b wsn430-v1_4 yunjia-nrf51822 z1
+BOARD_INSUFFICIENT_RAM := airfy-beacon chronos msb-430 msb-430h nrf51dongle \
+ nucleo-f334 pca10000 pca10005 redbee-econotag \
+ stm32f0discovery telosb wsn430-v1_3b wsn430-v1_4 \
+ yunjia-nrf51822 z1
BOARD_BLACKLIST := arduino-mega2560
# arduino-mega2560: unknown error types (e.g. -EBADMSG)
diff --git a/tests/pthread_rwlock/Makefile b/tests/pthread_rwlock/Makefile
index fc571f2336255101136e370ff0a2c826ecfe7704..825b49e93e27462abf53b8c8e7069a73256d9e50 100644
--- a/tests/pthread_rwlock/Makefile
+++ b/tests/pthread_rwlock/Makefile
@@ -14,6 +14,6 @@ CFLAGS += -DNATIVE_AUTO_EXIT
BOARD_INSUFFICIENT_RAM += chronos mbed_lpc1768 msb-430 msb-430h stm32f0discovery \
pca10000 pca10005 yunjia-nrf51822 spark-core nucleo-f334 \
- airfy-beacon
+ airfy-beacon nrf51dongle
include $(RIOTBASE)/Makefile.include
diff --git a/tests/thread_cooperation/Makefile b/tests/thread_cooperation/Makefile
index 8b88072e974b08897c3af4d4956ad96b04b1b9ca..c3b8dd8a126cb52c83b01b20d0e884f8a5f9aef6 100644
--- a/tests/thread_cooperation/Makefile
+++ b/tests/thread_cooperation/Makefile
@@ -1,8 +1,10 @@
APPLICATION = thread_cooperation
include ../Makefile.tests_common
-BOARD_INSUFFICIENT_RAM := chronos msb-430 msb-430h mbed_lpc1768 redbee-econotag stm32f0discovery \
- pca10000 pca10005 yunjia-nrf51822 spark-core airfy-beacon nucleo-f334
+BOARD_INSUFFICIENT_RAM := chronos msb-430 msb-430h mbed_lpc1768 \
+ redbee-econotag stm32f0discovery pca10000 pca10005 \
+ yunjia-nrf51822 spark-core airfy-beacon nucleo-f334 \
+ nrf51dongle
DISABLE_MODULE += auto_init
diff --git a/tests/unittests/Makefile b/tests/unittests/Makefile
index 3e5ce104707b0d9387a2d3e76660bd254d918457..b68fae05419c916e870f864c4cc1e508cd0dec9f 100644
--- a/tests/unittests/Makefile
+++ b/tests/unittests/Makefile
@@ -5,7 +5,7 @@ BOARD_INSUFFICIENT_RAM := airfy-beacon chronos msb-430 msb-430h pca10000 \
pca10005 redbee-econotag spark-core stm32f0discovery \
telosb wsn430-v1_3b wsn430-v1_4 z1 nucleo-f334 \
yunjia-nrf51822 samr21-xpro arduino-mega2560 \
- airfy-beacon
+ airfy-beacon nrf51dongle
USEMODULE += embunit