diff --git a/boards.txt b/boards.txt
index d5ca569be..7ab4fd9cb 100644
--- a/boards.txt
+++ b/boards.txt
@@ -542,3 +542,112 @@ esp210.menu.FlashSize.4M1M.build.spiffs_pagesize=256
 #
 # wifio.upload.tool=esptool
 #
+
+##############################################################
+d1.name=WeMos D1
+
+d1.upload.tool=esptool
+d1.upload.speed=460800
+d1.upload.resetmethod=ck
+d1.upload.maximum_size=1044464
+d1.upload.maximum_data_size=81920
+d1.upload.wait_for_upload_port=true
+d1.serial.disableDTR=true
+d1.serial.disableRTS=true
+
+d1.build.mcu=esp8266
+d1.build.f_cpu=80000000L
+d1.build.board=ESP8266_ESP12
+d1.build.core=esp8266
+d1.build.variant=d1
+d1.build.flash_mode=dio
+d1.build.flash_size=4M
+d1.build.flash_freq=40
+d1.build.flash_ld=eagle.flash.4m.ld
+d1.build.spiffs_start=0x100000
+d1.build.spiffs_end=0x3FB000
+d1.build.spiffs_pagesize=256
+d1.build.spiffs_blocksize=8192
+
+d1.menu.UploadTool.esptool=Serial
+d1.menu.UploadTool.esptool.upload.tool=esptool
+d1.menu.UploadTool.espota=OTA
+d1.menu.UploadTool.espota.upload.tool=espota
+
+d1.menu.CpuFrequency.80=80 MHz
+d1.menu.CpuFrequency.80.build.f_cpu=80000000L
+d1.menu.CpuFrequency.160=160 MHz
+d1.menu.CpuFrequency.160.build.f_cpu=160000000L
+
+d1.menu.UploadSpeed.460800=460800
+d1.menu.UploadSpeed.460800.upload.speed=460800
+d1.menu.UploadSpeed.115200=115200
+d1.menu.UploadSpeed.115200.upload.speed=115200
+d1.menu.UploadSpeed.9600=9600
+d1.menu.UploadSpeed.9600.upload.speed=9600
+d1.menu.UploadSpeed.57600=57600
+d1.menu.UploadSpeed.57600.upload.speed=57600
+d1.menu.UploadSpeed.256000.windows=256000
+d1.menu.UploadSpeed.256000.upload.speed=256000
+d1.menu.UploadSpeed.230400.linux=230400
+d1.menu.UploadSpeed.230400.macosx=230400
+d1.menu.UploadSpeed.230400.macosx=230400
+d1.menu.UploadSpeed.230400.upload.speed=230400
+d1.menu.UploadSpeed.512000.windows=512000
+d1.menu.UploadSpeed.512000.upload.speed=512000
+d1.menu.UploadSpeed.921600=921600
+d1.menu.UploadSpeed.921600.upload.speed=921600
+##############################################################
+d1mini.name=WeMos D1 mini
+
+d1mini.upload.tool=esptool
+d1mini.upload.speed=460800
+d1mini.upload.resetmethod=ck
+d1mini.upload.maximum_size=1044464
+d1mini.upload.maximum_data_size=81920
+d1mini.upload.wait_for_upload_port=true
+d1mini.serial.disableDTR=true
+d1mini.serial.disableRTS=true
+
+d1mini.build.mcu=esp8266
+d1mini.build.f_cpu=80000000L
+d1mini.build.board=ESP8266_ESP12
+d1mini.build.core=esp8266
+d1mini.build.variant=d1_mini
+d1mini.build.flash_mode=dio
+d1mini.build.flash_size=4M
+d1mini.build.flash_freq=40
+d1mini.build.flash_ld=eagle.flash.4m.ld
+d1mini.build.spiffs_start=0x100000
+d1mini.build.spiffs_end=0x3FB000
+d1mini.build.spiffs_pagesize=256
+d1mini.build.spiffs_blocksize=8192
+
+d1mini.menu.UploadTool.esptool=Serial
+d1mini.menu.UploadTool.esptool.upload.tool=esptool
+d1mini.menu.UploadTool.espota=OTA
+d1mini.menu.UploadTool.espota.upload.tool=espota
+
+d1mini.menu.CpuFrequency.80=80 MHz
+d1mini.menu.CpuFrequency.80.build.f_cpu=80000000L
+d1mini.menu.CpuFrequency.160=160 MHz
+d1mini.menu.CpuFrequency.160.build.f_cpu=160000000L
+
+d1mini.menu.UploadSpeed.460800=460800
+d1mini.menu.UploadSpeed.460800.upload.speed=460800
+d1mini.menu.UploadSpeed.115200=115200
+d1mini.menu.UploadSpeed.115200.upload.speed=115200
+d1mini.menu.UploadSpeed.9600=9600
+d1mini.menu.UploadSpeed.9600.upload.speed=9600
+d1mini.menu.UploadSpeed.57600=57600
+d1mini.menu.UploadSpeed.57600.upload.speed=57600
+d1mini.menu.UploadSpeed.256000.windows=256000
+d1mini.menu.UploadSpeed.256000.upload.speed=256000
+d1mini.menu.UploadSpeed.230400.linux=230400
+d1mini.menu.UploadSpeed.230400.macosx=230400
+d1mini.menu.UploadSpeed.230400.macosx=230400
+d1mini.menu.UploadSpeed.230400.upload.speed=230400
+d1mini.menu.UploadSpeed.512000.windows=512000
+d1mini.menu.UploadSpeed.512000.upload.speed=512000
+d1mini.menu.UploadSpeed.921600=921600
+d1mini.menu.UploadSpeed.921600.upload.speed=921600
diff --git a/variants/d1/pins_arduino.h b/variants/d1/pins_arduino.h
new file mode 100644
index 000000000..ddab599ba
--- /dev/null
+++ b/variants/d1/pins_arduino.h
@@ -0,0 +1,86 @@
+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+  Modified for ESP8266 platform by Ivan Grokhotkov, 2014-2015.
+
+  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., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        17
+#define NUM_ANALOG_INPUTS       1
+
+#define analogInputToDigitalPin(p)  ((p > 0)?NOT_A_PIN:0)
+#define digitalPinToInterrupt(p)  	(((p) < EXTERNAL_NUM_INTERRUPTS)?p:NOT_A_PIN)
+#define digitalPinHasPWM(p)         (((p) < NUM_DIGITAL_PINS)?p:NOT_A_PIN)
+
+static const uint8_t SDA = 4;
+static const uint8_t SCL = 5;
+
+static const uint8_t SS    = 15;
+static const uint8_t MOSI  = 13;
+static const uint8_t MISO  = 12;
+static const uint8_t SCK   = 14;
+
+static const uint8_t BUILTIN_LED = 2;//new ESP-12E GPIO2
+
+static const uint8_t A0 = 17;
+
+static const uint8_t D0   = 3;
+static const uint8_t D1   = 1;
+static const uint8_t D2   = 16;
+static const uint8_t D3   = 5;
+static const uint8_t D4   = 4;
+static const uint8_t D5   = 14;
+static const uint8_t D6   = 12;
+static const uint8_t D7   = 13;
+static const uint8_t D8   = 0;
+static const uint8_t D9   = 2;
+static const uint8_t D10  = 15;
+static const uint8_t D11  = 13;
+static const uint8_t D12  = 12;
+static const uint8_t D13  = 14;
+static const uint8_t D14  = 4;
+static const uint8_t D15  = 5;
+
+// These serial port names are intended to allow libraries and architecture-neutral
+// sketches to automatically default to the correct port name for a particular type
+// of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+// the first hardware serial port whose RX/TX pins are not dedicated to another use.
+//
+// SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
+//
+// SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
+//
+// SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
+//
+// SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
+//
+// SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
+//                            pins are NOT connected to anything by default.
+#define SERIAL_PORT_MONITOR        Serial
+#define SERIAL_PORT_USBVIRTUAL     Serial
+#define SERIAL_PORT_HARDWARE       Serial
+#define SERIAL_PORT_HARDWARE_OPEN  Serial
+
+#endif /* Pins_Arduino_h */
diff --git a/variants/d1_mini/pins_arduino.h b/variants/d1_mini/pins_arduino.h
new file mode 100644
index 000000000..160b9a442
--- /dev/null
+++ b/variants/d1_mini/pins_arduino.h
@@ -0,0 +1,83 @@
+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+  Modified for ESP8266 platform by Ivan Grokhotkov, 2014-2015.
+
+  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., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        17
+#define NUM_ANALOG_INPUTS       1
+
+#define analogInputToDigitalPin(p)  ((p > 0)?NOT_A_PIN:0)
+#define digitalPinToInterrupt(p)    (((p) < EXTERNAL_NUM_INTERRUPTS)?p:NOT_A_PIN)
+#define digitalPinHasPWM(p)         (((p) < NUM_DIGITAL_PINS)?p:NOT_A_PIN)
+
+static const uint8_t SDA = 4;
+static const uint8_t SCL = 5;
+
+static const uint8_t SS    = 15;
+static const uint8_t MOSI  = 13;
+static const uint8_t MISO  = 12;
+static const uint8_t SCK   = 14;
+
+static const uint8_t BUILTIN_LED = 2;
+
+static const uint8_t A0 = 17;
+
+static const uint8_t D0   = 16;
+static const uint8_t D1   = 5;
+static const uint8_t D2   = 4;
+static const uint8_t D3   = 0;
+static const uint8_t D4   = 2;
+static const uint8_t D5   = 14;
+static const uint8_t D6   = 12;
+static const uint8_t D7   = 13;
+static const uint8_t D8   = 15;
+static const uint8_t D9   = 3;
+static const uint8_t D10  = 1;
+
+static const uint8_t D13  = 2;
+
+// These serial port names are intended to allow libraries and architecture-neutral
+// sketches to automatically default to the correct port name for a particular type
+// of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+// the first hardware serial port whose RX/TX pins are not dedicated to another use.
+//
+// SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
+//
+// SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
+//
+// SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
+//
+// SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
+//
+// SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
+//                            pins are NOT connected to anything by default.
+#define SERIAL_PORT_MONITOR        Serial
+#define SERIAL_PORT_USBVIRTUAL     Serial
+#define SERIAL_PORT_HARDWARE       Serial
+#define SERIAL_PORT_HARDWARE_OPEN  Serial
+
+#endif /* Pins_Arduino_h */