diff --git a/boards.txt b/boards.txt
index a050d27e..43c8639d 100644
--- a/boards.txt
+++ b/boards.txt
@@ -1090,3 +1090,45 @@ SeeedArchLink.menu.softdevice.s130.upload.maximum_size=151552
 SeeedArchLink.menu.softdevice.s130.build.extra_flags=-DNRF51 -DS130 -DNRF51_S130
 SeeedArchLink.menu.softdevice.s130.build.ldscript=armgcc_s130_nrf51822_xxaa.ld
 
+DTBlow_BLE.name=DTBlow BLE
+
+DTBlow_BLE.upload.tool=sandeepmistry:openocd
+DTBlow_BLE.upload.target=nrf51
+DTBlow_BLE.upload.maximum_size=262144
+
+DTBlow_BLE.bootloader.tool=sandeepmistry:openocd
+
+DTBlow_BLE.build.mcu=cortex-m0
+DTBlow_BLE.build.f_cpu=16000000
+DTBlow_BLE.build.board=DTBLOW_BLE
+DTBlow_BLE.build.core=nRF5
+DTBlow_BLE.build.variant=DTBlow_BLE
+DTBlow_BLE.build.variant_system_lib=
+DTBlow_BLE.build.extra_flags=-DNRF51
+DTBlow_BLE.build.float_flags=
+DTBlow_BLE.build.ldscript=nrf51_{build.chip}.ld
+
+DTBlow_BLE.build.lfclk_flags=-DUSE_LFXO
+
+DTBlow_BLE.menu.chip.xxaa=16 kB RAM, 256 kB flash (xxaa)
+DTBlow_BLE.menu.chip.xxaa.build.chip=xxaa
+DTBlow_BLE.menu.chip.xxac=32 kB RAM, 256 kB flash (xxac)
+DTBlow_BLE.menu.chip.xxac.build.chip=xxac
+
+DTBlow_BLE.menu.softdevice.none=None
+DTBlow_BLE.menu.softdevice.none.softdevice=none
+DTBlow_BLE.menu.softdevice.none.softdeviceversion=
+
+DTBlow_BLE.menu.softdevice.s110=S110
+DTBlow_BLE.menu.softdevice.s110.softdevice=s110
+DTBlow_BLE.menu.softdevice.s110.softdeviceversion=8.0.0
+DTBlow_BLE.menu.softdevice.s110.upload.maximum_size=151552
+DTBlow_BLE.menu.softdevice.s110.build.extra_flags=-DNRF51 -DS110 -DNRF51_S110
+DTBlow_BLE.menu.softdevice.s110.build.ldscript=armgcc_s110_nrf51822_{build.chip}.ld
+
+DTBlow_BLE.menu.softdevice.s130=S130
+DTBlow_BLE.menu.softdevice.s130.softdevice=s130
+DTBlow_BLE.menu.softdevice.s130.softdeviceversion=2.0.1
+DTBlow_BLE.menu.softdevice.s130.upload.maximum_size=151552
+DTBlow_BLE.menu.softdevice.s130.build.extra_flags=-DNRF51 -DS130 -DNRF51_S130
+DTBlow_BLE.menu.softdevice.s130.build.ldscript=armgcc_s130_nrf51822_{build.chip}.ld
\ No newline at end of file
diff --git a/variants/DTBlow_BLE/pins_arduino.h b/variants/DTBlow_BLE/pins_arduino.h
new file mode 100644
index 00000000..3ef4d4a9
--- /dev/null
+++ b/variants/DTBlow_BLE/pins_arduino.h
@@ -0,0 +1,17 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+// API compatibility
+#include "variant.h"
diff --git a/variants/DTBlow_BLE/variant.cpp b/variants/DTBlow_BLE/variant.cpp
new file mode 100644
index 00000000..02d405b6
--- /dev/null
+++ b/variants/DTBlow_BLE/variant.cpp
@@ -0,0 +1,55 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+  0,
+  1,
+  2,
+  3,
+  4,
+  5,
+  6,
+  7,
+  8,
+  9,
+  10,
+  11,
+  12,
+  13,
+  14,
+  15,
+  16,
+  17,
+  18,
+  19,
+  20,
+  21,
+  22,
+  23,
+  24,
+  25,
+  26,
+  27,
+  28,
+  29,
+  30,
+  31
+};
diff --git a/variants/DTBlow_BLE/variant.h b/variants/DTBlow_BLE/variant.h
new file mode 100644
index 00000000..c640daab
--- /dev/null
+++ b/variants/DTBlow_BLE/variant.h
@@ -0,0 +1,116 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_GENERIC_
+#define _VARIANT_GENERIC_
+
+#include "nrf.h"
+
+/** Master clock frequency */
+#if defined(NRF52_SERIES)
+#define VARIANT_MCK       (64000000ul)
+#else
+#define VARIANT_MCK       (16000000ul)
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT           (31u)
+#define NUM_DIGITAL_PINS     (31u)
+#define NUM_ANALOG_INPUTS    (6u)
+#define NUM_ANALOG_OUTPUTS   (0u)
+
+// LEDs
+#define PIN_LED1              (18)
+#define PIN_LED2              (19)
+#define PIN_LED3              (20)
+#define PIN_LED4              (21)
+#define PIN_LED5              (22)
+#define LED_BUILTIN          PIN_LED1
+
+// Buttons
+#define PIN_BUTTON1             (16)
+#define PIN_BUTTON2             (17)
+
+/*
+ * Analog pins
+ */
+#define PIN_A0               (2)
+#define PIN_A1               (3)
+#define PIN_A2               (4)
+#define PIN_A3               (5)
+#define PIN_A4               (6)
+#define PIN_A5               (7)
+
+static const uint8_t A0  = PIN_A0 ;
+static const uint8_t A1  = PIN_A1 ;
+static const uint8_t A2  = PIN_A2 ;
+static const uint8_t A3  = PIN_A3 ;
+static const uint8_t A4  = PIN_A4 ;
+static const uint8_t A5  = PIN_A5 ;
+#ifdef NRF52
+#define ADC_RESOLUTION    14
+#else
+#define ADC_RESOLUTION    10
+#endif
+
+/*
+ * Serial interfaces
+ */
+// Serial
+#define PIN_SERIAL_RX       (11)
+#define PIN_SERIAL_TX       (9)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+
+#define PIN_SPI_MISO         (23)
+#define PIN_SPI_MOSI         (24)
+#define PIN_SPI_SCK          (25)
+
+static const uint8_t SS   = 30 ;
+static const uint8_t MOSI = PIN_SPI_MOSI ;
+static const uint8_t MISO = PIN_SPI_MISO ;
+static const uint8_t SCK  = PIN_SPI_SCK ;
+
+/*
+ * Wire Interfaces
+ */
+#define WIRE_INTERFACES_COUNT 1
+
+#define PIN_WIRE_SDA         (0u)
+#define PIN_WIRE_SCL         (1u)
+
+static const uint8_t SDA = PIN_WIRE_SDA;
+static const uint8_t SCL = PIN_WIRE_SCL;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif