diff --git a/boards.txt b/boards.txt
index a1fdd6125d..ace5671a6e 100644
--- a/boards.txt
+++ b/boards.txt
@@ -5645,6 +5645,229 @@ agruminolemon.menu.iramfloat.no.build.iramfloat=-DFP_IN_IROM
 agruminolemon.menu.iramfloat.yes=allowed in ISR
 agruminolemon.menu.iramfloat.yes.build.iramfloat=-DFP_IN_IRAM
 
+##############################################################
+mercury1.name=MERCURY 1.0
+mercury1.build.board=mercury
+mercury1.build.variant=mercury_v1
+mercury1.upload.tool=esptool
+mercury1.upload.maximum_data_size=81920
+mercury1.upload.wait_for_upload_port=true
+mercury1.upload.erase_cmd=
+mercury1.serial.disableDTR=true
+mercury1.serial.disableRTS=true
+mercury1.build.mcu=esp8266
+mercury1.build.core=esp8266
+mercury1.build.spiffs_pagesize=256
+mercury1.build.debug_optim=
+mercury1.build.debug_port=
+mercury1.build.debug_level=
+mercury1.menu.xtal.80=80 MHz
+mercury1.menu.xtal.80.build.f_cpu=80000000L
+mercury1.menu.xtal.160=160 MHz
+mercury1.menu.xtal.160.build.f_cpu=160000000L
+mercury1.menu.vt.flash=Flash
+mercury1.menu.vt.flash.build.vtable_flags=-DVTABLES_IN_FLASH
+mercury1.menu.vt.heap=Heap
+mercury1.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
+mercury1.menu.vt.iram=IRAM
+mercury1.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
+mercury1.menu.exception.disabled=Disabled (new aborts on oom)
+mercury1.menu.exception.disabled.build.exception_flags=-fno-exceptions
+mercury1.menu.exception.disabled.build.stdcpp_lib=-lstdc++
+mercury1.menu.exception.enabled=Enabled
+mercury1.menu.exception.enabled.build.exception_flags=-fexceptions
+mercury1.menu.exception.enabled.build.stdcpp_lib=-lstdc++-exc
+mercury1.menu.stacksmash.disabled=Disabled
+mercury1.menu.stacksmash.disabled.build.stacksmash_flags=
+mercury1.menu.stacksmash.enabled=Enabled
+mercury1.menu.stacksmash.enabled.build.stacksmash_flags=-fstack-protector
+mercury1.menu.ssl.all=All SSL ciphers (most compatible)
+mercury1.menu.ssl.all.build.sslflags=
+mercury1.menu.ssl.basic=Basic SSL ciphers (lower ROM use)
+mercury1.menu.ssl.basic.build.sslflags=-DBEARSSL_SSL_BASIC
+mercury1.menu.mmu.3232=32KB cache + 32KB IRAM (balanced)
+mercury1.menu.mmu.3232.build.mmuflags=-DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000
+mercury1.menu.mmu.4816=16KB cache + 48KB IRAM (IRAM)
+mercury1.menu.mmu.4816.build.mmuflags=-DMMU_IRAM_SIZE=0xC000 -DMMU_ICACHE_SIZE=0x4000
+mercury1.menu.mmu.4816H=16KB cache + 48KB IRAM and 2nd Heap (shared)
+mercury1.menu.mmu.4816H.build.mmuflags=-DMMU_IRAM_SIZE=0xC000 -DMMU_ICACHE_SIZE=0x4000 -DMMU_IRAM_HEAP
+mercury1.menu.mmu.3216=16KB cache + 32KB IRAM + 16KB 2nd Heap (not shared)
+mercury1.menu.mmu.3216.build.mmuflags=-DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x4000 -DMMU_SEC_HEAP=0x40108000 -DMMU_SEC_HEAP_SIZE=0x4000
+mercury1.menu.mmu.ext128k=128K Heap External 23LC1024
+mercury1.menu.mmu.ext128k.build.mmuflags=-DMMU_EXTERNAL_HEAP=128 -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000
+mercury1.menu.mmu.ext8192k=8M w/256K Heap External 64 MBit PSRAM
+mercury1.menu.mmu.ext8192k.build.mmuflags=-DMMU_EXTERNAL_HEAP=256 -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000
+mercury1.menu.non32xfer.fast=Use pgm_read macros for IRAM/PROGMEM
+mercury1.menu.non32xfer.fast.build.non32xferflags=
+mercury1.menu.non32xfer.safe=Byte/Word access to IRAM/PROGMEM (very slow)
+mercury1.menu.non32xfer.safe.build.non32xferflags=-DNON32XFER_HANDLER
+mercury1.upload.resetmethod=--before default_reset --after hard_reset
+mercury1.build.flash_mode=dio
+mercury1.build.flash_flags=-DFLASHMODE_DIO
+mercury1.build.flash_freq=40
+mercury1.menu.eesz.4M2M=4MB (FS:2MB OTA:~1019KB)
+mercury1.menu.eesz.4M2M.build.flash_size=4M
+mercury1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
+mercury1.menu.eesz.4M2M.build.spiffs_pagesize=256
+mercury1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+mercury1.menu.eesz.4M2M.build.spiffs_start=0x200000
+mercury1.menu.eesz.4M2M.build.spiffs_end=0x3FA000
+mercury1.menu.eesz.4M2M.build.spiffs_blocksize=8192
+mercury1.menu.eesz.4M3M=4MB (FS:3MB OTA:~512KB)
+mercury1.menu.eesz.4M3M.build.flash_size=4M
+mercury1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
+mercury1.menu.eesz.4M3M.build.spiffs_pagesize=256
+mercury1.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+mercury1.menu.eesz.4M3M.build.spiffs_start=0x100000
+mercury1.menu.eesz.4M3M.build.spiffs_end=0x3FA000
+mercury1.menu.eesz.4M3M.build.spiffs_blocksize=8192
+mercury1.menu.eesz.4M1M=4MB (FS:1MB OTA:~1019KB)
+mercury1.menu.eesz.4M1M.build.flash_size=4M
+mercury1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
+mercury1.menu.eesz.4M1M.build.spiffs_pagesize=256
+mercury1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+mercury1.menu.eesz.4M1M.build.spiffs_start=0x300000
+mercury1.menu.eesz.4M1M.build.spiffs_end=0x3FA000
+mercury1.menu.eesz.4M1M.build.spiffs_blocksize=8192
+mercury1.menu.eesz.4M=4MB (FS:none OTA:~1019KB)
+mercury1.menu.eesz.4M.build.flash_size=4M
+mercury1.menu.eesz.4M.build.flash_ld=eagle.flash.4m.ld
+mercury1.menu.eesz.4M.build.spiffs_pagesize=256
+mercury1.menu.eesz.4M.build.rfcal_addr=0x3FC000
+mercury1.menu.ip.lm2f=v2 Lower Memory
+mercury1.menu.ip.lm2f.build.lwip_include=lwip2/include
+mercury1.menu.ip.lm2f.build.lwip_lib=-llwip2-536-feat
+mercury1.menu.ip.lm2f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0
+mercury1.menu.ip.hb2f=v2 Higher Bandwidth
+mercury1.menu.ip.hb2f.build.lwip_include=lwip2/include
+mercury1.menu.ip.hb2f.build.lwip_lib=-llwip2-1460-feat
+mercury1.menu.ip.hb2f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=0
+mercury1.menu.ip.lm2n=v2 Lower Memory (no features)
+mercury1.menu.ip.lm2n.build.lwip_include=lwip2/include
+mercury1.menu.ip.lm2n.build.lwip_lib=-llwip2-536
+mercury1.menu.ip.lm2n.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=0 -DLWIP_IPV6=0
+mercury1.menu.ip.hb2n=v2 Higher Bandwidth (no features)
+mercury1.menu.ip.hb2n.build.lwip_include=lwip2/include
+mercury1.menu.ip.hb2n.build.lwip_lib=-llwip2-1460
+mercury1.menu.ip.hb2n.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=0 -DLWIP_IPV6=0
+mercury1.menu.ip.lm6f=v2 IPv6 Lower Memory
+mercury1.menu.ip.lm6f.build.lwip_include=lwip2/include
+mercury1.menu.ip.lm6f.build.lwip_lib=-llwip6-536-feat
+mercury1.menu.ip.lm6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=1
+mercury1.menu.ip.hb6f=v2 IPv6 Higher Bandwidth
+mercury1.menu.ip.hb6f.build.lwip_include=lwip2/include
+mercury1.menu.ip.hb6f.build.lwip_lib=-llwip6-1460-feat
+mercury1.menu.ip.hb6f.build.lwip_flags=-DLWIP_OPEN_SRC -DTCP_MSS=1460 -DLWIP_FEATURES=1 -DLWIP_IPV6=1
+mercury1.menu.dbg.Disabled=Disabled
+mercury1.menu.dbg.Disabled.build.debug_port=
+mercury1.menu.dbg.Serial=Serial
+mercury1.menu.dbg.Serial.build.debug_port=-DDEBUG_ESP_PORT=Serial
+mercury1.menu.dbg.Serial1=Serial1
+mercury1.menu.dbg.Serial1.build.debug_port=-DDEBUG_ESP_PORT=Serial1
+mercury1.menu.lvl.None____=None
+mercury1.menu.lvl.None____.build.debug_level=
+mercury1.menu.optim.Smallest=None
+mercury1.menu.optim.Smallest.build.debug_optim=-Os
+mercury1.menu.optim.Lite=Lite
+mercury1.menu.optim.Lite.build.debug_optim=-Os -fno-optimize-sibling-calls
+mercury1.menu.optim.Full=Optimum
+mercury1.menu.optim.Full.build.debug_optim=-Og
+mercury1.menu.lvl.SSL=SSL
+mercury1.menu.lvl.SSL.build.debug_level= -DDEBUG_ESP_SSL
+mercury1.menu.lvl.TLS_MEM=TLS_MEM
+mercury1.menu.lvl.TLS_MEM.build.debug_level= -DDEBUG_ESP_TLS_MEM
+mercury1.menu.lvl.HTTP_CLIENT=HTTP_CLIENT
+mercury1.menu.lvl.HTTP_CLIENT.build.debug_level= -DDEBUG_ESP_HTTP_CLIENT
+mercury1.menu.lvl.HTTP_SERVER=HTTP_SERVER
+mercury1.menu.lvl.HTTP_SERVER.build.debug_level= -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.SSLTLS_MEM=SSL+TLS_MEM
+mercury1.menu.lvl.SSLTLS_MEM.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM
+mercury1.menu.lvl.SSLHTTP_CLIENT=SSL+HTTP_CLIENT
+mercury1.menu.lvl.SSLHTTP_CLIENT.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_HTTP_CLIENT
+mercury1.menu.lvl.SSLHTTP_SERVER=SSL+HTTP_SERVER
+mercury1.menu.lvl.SSLHTTP_SERVER.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.TLS_MEMHTTP_CLIENT=TLS_MEM+HTTP_CLIENT
+mercury1.menu.lvl.TLS_MEMHTTP_CLIENT.build.debug_level= -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT
+mercury1.menu.lvl.TLS_MEMHTTP_SERVER=TLS_MEM+HTTP_SERVER
+mercury1.menu.lvl.TLS_MEMHTTP_SERVER.build.debug_level= -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.HTTP_CLIENTHTTP_SERVER=HTTP_CLIENT+HTTP_SERVER
+mercury1.menu.lvl.HTTP_CLIENTHTTP_SERVER.build.debug_level= -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENT=SSL+TLS_MEM+HTTP_CLIENT
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENT.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT
+mercury1.menu.lvl.SSLTLS_MEMHTTP_SERVER=SSL+TLS_MEM+HTTP_SERVER
+mercury1.menu.lvl.SSLTLS_MEMHTTP_SERVER.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.SSLHTTP_CLIENTHTTP_SERVER=SSL+HTTP_CLIENT+HTTP_SERVER
+mercury1.menu.lvl.SSLHTTP_CLIENTHTTP_SERVER.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.TLS_MEMHTTP_CLIENTHTTP_SERVER=TLS_MEM+HTTP_CLIENT+HTTP_SERVER
+mercury1.menu.lvl.TLS_MEMHTTP_CLIENTHTTP_SERVER.build.debug_level= -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVER=SSL+TLS_MEM+HTTP_CLIENT+HTTP_SERVER
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVER.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER
+mercury1.menu.lvl.CORE=CORE
+mercury1.menu.lvl.CORE.build.debug_level= -DDEBUG_ESP_CORE
+mercury1.menu.lvl.WIFI=WIFI
+mercury1.menu.lvl.WIFI.build.debug_level= -DDEBUG_ESP_WIFI
+mercury1.menu.lvl.HTTP_UPDATE=HTTP_UPDATE
+mercury1.menu.lvl.HTTP_UPDATE.build.debug_level= -DDEBUG_ESP_HTTP_UPDATE
+mercury1.menu.lvl.UPDATER=UPDATER
+mercury1.menu.lvl.UPDATER.build.debug_level= -DDEBUG_ESP_UPDATER
+mercury1.menu.lvl.OTA=OTA
+mercury1.menu.lvl.OTA.build.debug_level= -DDEBUG_ESP_OTA
+mercury1.menu.lvl.OOM=OOM
+mercury1.menu.lvl.OOM.build.debug_level= -DDEBUG_ESP_OOM
+mercury1.menu.lvl.MDNS=MDNS
+mercury1.menu.lvl.MDNS.build.debug_level= -DDEBUG_ESP_MDNS
+mercury1.menu.lvl.HWDT=HWDT
+mercury1.menu.lvl.HWDT.build.debug_level= -DDEBUG_ESP_HWDT
+mercury1.menu.lvl.HWDT_NOEXTRA4K=HWDT_NOEXTRA4K
+mercury1.menu.lvl.HWDT_NOEXTRA4K.build.debug_level= -DDEBUG_ESP_HWDT_NOEXTRA4K
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNS=CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNS.build.debug_level= -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT=CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS+HWDT
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT.build.debug_level= -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS -DDEBUG_ESP_HWDT
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT_NOEXTRA4K=CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS+HWDT_NOEXTRA4K
+mercury1.menu.lvl.COREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT_NOEXTRA4K.build.debug_level= -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS -DDEBUG_ESP_HWDT_NOEXTRA4K
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNS=SSL+TLS_MEM+HTTP_CLIENT+HTTP_SERVER+CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNS.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT=SSL+TLS_MEM+HTTP_CLIENT+HTTP_SERVER+CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS+HWDT
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS -DDEBUG_ESP_HWDT
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT_NOEXTRA4K=SSL+TLS_MEM+HTTP_CLIENT+HTTP_SERVER+CORE+WIFI+HTTP_UPDATE+UPDATER+OTA+OOM+MDNS+HWDT_NOEXTRA4K
+mercury1.menu.lvl.SSLTLS_MEMHTTP_CLIENTHTTP_SERVERCOREWIFIHTTP_UPDATEUPDATEROTAOOMMDNSHWDT_NOEXTRA4K.build.debug_level= -DDEBUG_ESP_SSL -DDEBUG_ESP_TLS_MEM -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_ESP_OOM -DDEBUG_ESP_MDNS -DDEBUG_ESP_HWDT_NOEXTRA4K
+mercury1.menu.lvl.NoAssert-NDEBUG=NoAssert-NDEBUG
+mercury1.menu.lvl.NoAssert-NDEBUG.build.debug_level= -DNDEBUG
+mercury1.menu.wipe.none=Only Sketch
+mercury1.menu.wipe.none.upload.erase_cmd=
+mercury1.menu.wipe.sdk=Sketch + WiFi Settings
+mercury1.menu.wipe.sdk.upload.erase_cmd=erase_region "{build.rfcal_addr}" 0x4000
+mercury1.menu.wipe.all=All Flash Contents
+mercury1.menu.wipe.all.upload.erase_cmd=erase_flash
+mercury1.menu.baud.115200=115200
+mercury1.menu.baud.115200.upload.speed=115200
+mercury1.menu.baud.57600=57600
+mercury1.menu.baud.57600.upload.speed=57600
+mercury1.menu.baud.230400.linux=230400
+mercury1.menu.baud.230400.macosx=230400
+mercury1.menu.baud.230400.upload.speed=230400
+mercury1.menu.baud.256000.windows=256000
+mercury1.menu.baud.256000.upload.speed=256000
+mercury1.menu.baud.460800.linux=460800
+mercury1.menu.baud.460800.macosx=460800
+mercury1.menu.baud.460800.upload.speed=460800
+mercury1.menu.baud.512000.windows=512000
+mercury1.menu.baud.512000.upload.speed=512000
+mercury1.menu.baud.921600=921600
+mercury1.menu.baud.921600.upload.speed=921600
+mercury1.menu.baud.3000000=3000000
+mercury1.menu.baud.3000000.upload.speed=3000000
+mercury1.menu.eesz.autoflash=Mapping defined by Hardware and Sketch
+mercury1.menu.eesz.autoflash.build.flash_size=16M
+mercury1.menu.eesz.autoflash.build.flash_ld=eagle.flash.auto.ld
+mercury1.menu.eesz.autoflash.build.extra_flags=-DFLASH_MAP_SUPPORT=1
+mercury1.menu.eesz.autoflash.upload.maximum_size=1044464
+mercury1.menu.iramfloat.no=in IROM
+mercury1.menu.iramfloat.no.build.iramfloat=-DFP_IN_IROM
+mercury1.menu.iramfloat.yes=allowed in ISR
+mercury1.menu.iramfloat.yes.build.iramfloat=-DFP_IN_IRAM
+
 ##############################################################
 nodemcu.name=NodeMCU 0.9 (ESP-12 Module)
 nodemcu.build.board=ESP8266_NODEMCU_ESP12
diff --git a/package/package_esp8266com_index.template.json b/package/package_esp8266com_index.template.json
index 323db7081f..b4c67f83e2 100644
--- a/package/package_esp8266com_index.template.json
+++ b/package/package_esp8266com_index.template.json
@@ -130,6 +130,9 @@
                   },
                   {
                      "name": "DOIT ESP-Mx DevKit (ESP8285)"
+                  },
+                  {
+                     "name": "MERCURY 1.0"
                   }
                ],
                "toolsDependencies": [
diff --git a/tools/boards.txt.py b/tools/boards.txt.py
index 681cc0b7b6..1f0c47772c 100755
--- a/tools/boards.txt.py
+++ b/tools/boards.txt.py
@@ -1027,7 +1027,24 @@
             'is a multi-chip package which contains ESP8266 and 1MB flash. '
         ],
 
-    })
+    }),
+    ( 'mercury1', {
+            'name': 'MERCURY 1.0',
+            'opts': {
+                '.build.board': 'mercury',
+                '.build.variant': 'mercury_v1',
+                },
+            'macro': [
+                'resetmethod_nodemcu',
+                'flashmode_dio',
+                'flashfreq_40',
+                '4M',
+                ],
+            'desc': [ 'ESP8266 based board that support onboard 2x brushed motor driver. Designed for beginners with age 10+ who aspire to become robotics engineers.',
+                      '',
+                      'Product page: https://www.raliotech.com/'
+                      ],
+        })
 	])
 
 
diff --git a/variants/mercury_v1/pins_arduino.h b/variants/mercury_v1/pins_arduino.h
new file mode 100644
index 0000000000..747afb5913
--- /dev/null
+++ b/variants/mercury_v1/pins_arduino.h
@@ -0,0 +1,71 @@
+/*
+  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
+
+#include "../generic/common.h"
+
+#define LED_BUILTIN 0
+#define BUILTIN_LED LED_BUILTIN
+
+#define A0 (17)
+
+static const uint8_t D0   = 0;
+static const uint8_t D1   = 12;
+static const uint8_t D2   = 4;
+static const uint8_t D3   = 16;
+static const uint8_t D4   = 5;
+static const uint8_t D5   = 13;
+static const uint8_t D6   = 15;
+static const uint8_t D7   = 2;
+static const uint8_t D8   = 14;
+static const uint8_t D9   = 9;
+static const uint8_t D10  = 10;
+
+#define PIN_WIRE_SDA (2)
+#define PIN_WIRE_SCL (14)
+
+// Brushed DC Motors
+#define MOTOR_1_DIR (16)
+#define MOTOR_1_PWM (12)
+#define MOTOR_2_DIR (5)
+#define MOTOR_2_PWM (4)
+
+//Ultrasonic Sensor
+static const uint8_t USST = D7;
+static const uint8_t USSE = D8;
+
+//Servo
+static const uint8_t SERVO1 = D4;
+static const uint8_t SERVO2 = D6;
+static const uint8_t SERVO3 = D3;
+static const uint8_t SERVO4 = D5;
+
+//IR
+static const uint8_t IR1 = D9;
+static const uint8_t IR2 = D10;
+
+#endif /* Pins_Arduino_h */