diff --git a/boards.txt b/boards.txt
index 9c821ef4..014acdf5 100644
--- a/boards.txt
+++ b/boards.txt
@@ -4248,3 +4248,278 @@ vintlabs-devkit-v1.menu.DebugLevel.debug.build.code_debug=4
 
 ##############################################################
 
+mgbot-iotik32a.name=MGBOT IOTIK 32A
+
+mgbot-iotik32a.upload.tool=esptool_py
+mgbot-iotik32a.upload.maximum_size=1310720
+mgbot-iotik32a.upload.maximum_data_size=327680
+mgbot-iotik32a.upload.wait_for_upload_port=true
+
+mgbot-iotik32a.serial.disableDTR=true
+mgbot-iotik32a.serial.disableRTS=true
+
+mgbot-iotik32a.build.mcu=esp32
+mgbot-iotik32a.build.core=esp32
+mgbot-iotik32a.build.variant=mgbot-iotik32a
+mgbot-iotik32a.build.board=MGBOT_IOTIK32A
+
+mgbot-iotik32a.build.f_cpu=240000000L
+mgbot-iotik32a.build.flash_size=4MB
+mgbot-iotik32a.build.flash_freq=40m
+mgbot-iotik32a.build.flash_mode=dio
+mgbot-iotik32a.build.boot=dio
+mgbot-iotik32a.build.partitions=default
+mgbot-iotik32a.build.defines=
+
+mgbot-iotik32a.menu.PSRAM.disabled=Disabled
+mgbot-iotik32a.menu.PSRAM.disabled.build.defines=
+mgbot-iotik32a.menu.PSRAM.enabled=Enabled
+mgbot-iotik32a.menu.PSRAM.enabled.build.defines=-DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue
+
+mgbot-iotik32a.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.default.build.partitions=default
+mgbot-iotik32a.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
+mgbot-iotik32a.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+mgbot-iotik32a.menu.PartitionScheme.default_8MB=8M Flash (3MB APP/1.5MB FAT)
+mgbot-iotik32a.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
+mgbot-iotik32a.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
+mgbot-iotik32a.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.minimal.build.partitions=minimal
+mgbot-iotik32a.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.no_ota.build.partitions=no_ota
+mgbot-iotik32a.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+mgbot-iotik32a.menu.PartitionScheme.noota_3g=No OTA (1MB APP/3MB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.noota_3g.build.partitions=noota_3g
+mgbot-iotik32a.menu.PartitionScheme.noota_3g.upload.maximum_size=1048576
+mgbot-iotik32a.menu.PartitionScheme.noota_ffat=No OTA (2MB APP/2MB FATFS)
+mgbot-iotik32a.menu.PartitionScheme.noota_ffat.build.partitions=noota_ffat
+mgbot-iotik32a.menu.PartitionScheme.noota_ffat.upload.maximum_size=2097152
+mgbot-iotik32a.menu.PartitionScheme.noota_3gffat=No OTA (1MB APP/3MB FATFS)
+mgbot-iotik32a.menu.PartitionScheme.noota_3gffat.build.partitions=noota_3gffat
+mgbot-iotik32a.menu.PartitionScheme.noota_3gffat.upload.maximum_size=1048576
+mgbot-iotik32a.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA/1MB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.huge_app.build.partitions=huge_app
+mgbot-iotik32a.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
+mgbot-iotik32a.menu.PartitionScheme.min_spiffs=Minimal SPIFFS (1.9MB APP with OTA/190KB SPIFFS)
+mgbot-iotik32a.menu.PartitionScheme.min_spiffs.build.partitions=min_spiffs
+mgbot-iotik32a.menu.PartitionScheme.min_spiffs.upload.maximum_size=1966080
+mgbot-iotik32a.menu.PartitionScheme.fatflash=16M Flash (2MB APP/12.5MB FAT)
+mgbot-iotik32a.menu.PartitionScheme.fatflash.build.partitions=ffat
+mgbot-iotik32a.menu.PartitionScheme.fatflash.upload.maximum_size=2097152
+mgbot-iotik32a.menu.PartitionScheme.app3M_fat9M_16MB=16M Flash (3MB APP/9MB FATFS)
+mgbot-iotik32a.menu.PartitionScheme.app3M_fat9M_16MB.build.partitions=app3M_fat9M_16MB
+mgbot-iotik32a.menu.PartitionScheme.app3M_fat9M_16MB.upload.maximum_size=3145728
+
+mgbot-iotik32a.menu.CPUFreq.240=240MHz (WiFi/BT)
+mgbot-iotik32a.menu.CPUFreq.240.build.f_cpu=240000000L
+mgbot-iotik32a.menu.CPUFreq.160=160MHz (WiFi/BT)
+mgbot-iotik32a.menu.CPUFreq.160.build.f_cpu=160000000L
+mgbot-iotik32a.menu.CPUFreq.80=80MHz (WiFi/BT)
+mgbot-iotik32a.menu.CPUFreq.80.build.f_cpu=80000000L
+mgbot-iotik32a.menu.CPUFreq.40=40MHz (40MHz XTAL)
+mgbot-iotik32a.menu.CPUFreq.40.build.f_cpu=40000000L
+mgbot-iotik32a.menu.CPUFreq.26=26MHz (26MHz XTAL)
+mgbot-iotik32a.menu.CPUFreq.26.build.f_cpu=26000000L
+mgbot-iotik32a.menu.CPUFreq.20=20MHz (40MHz XTAL)
+mgbot-iotik32a.menu.CPUFreq.20.build.f_cpu=20000000L
+mgbot-iotik32a.menu.CPUFreq.13=13MHz (26MHz XTAL)
+mgbot-iotik32a.menu.CPUFreq.13.build.f_cpu=13000000L
+mgbot-iotik32a.menu.CPUFreq.10=10MHz (40MHz XTAL)
+mgbot-iotik32a.menu.CPUFreq.10.build.f_cpu=10000000L
+
+mgbot-iotik32a.menu.FlashMode.qio=QIO
+mgbot-iotik32a.menu.FlashMode.qio.build.flash_mode=dio
+mgbot-iotik32a.menu.FlashMode.qio.build.boot=qio
+mgbot-iotik32a.menu.FlashMode.dio=DIO
+mgbot-iotik32a.menu.FlashMode.dio.build.flash_mode=dio
+mgbot-iotik32a.menu.FlashMode.dio.build.boot=dio
+mgbot-iotik32a.menu.FlashMode.qout=QOUT
+mgbot-iotik32a.menu.FlashMode.qout.build.flash_mode=dout
+mgbot-iotik32a.menu.FlashMode.qout.build.boot=qout
+mgbot-iotik32a.menu.FlashMode.dout=DOUT
+mgbot-iotik32a.menu.FlashMode.dout.build.flash_mode=dout
+mgbot-iotik32a.menu.FlashMode.dout.build.boot=dout
+
+mgbot-iotik32a.menu.FlashFreq.80=80MHz
+mgbot-iotik32a.menu.FlashFreq.80.build.flash_freq=80m
+mgbot-iotik32a.menu.FlashFreq.40=40MHz
+mgbot-iotik32a.menu.FlashFreq.40.build.flash_freq=40m
+
+mgbot-iotik32a.menu.FlashSize.4M=4MB (32Mb)
+mgbot-iotik32a.menu.FlashSize.4M.build.flash_size=4MB
+mgbot-iotik32a.menu.FlashSize.8M=8MB (64Mb)
+mgbot-iotik32a.menu.FlashSize.8M.build.flash_size=8MB
+mgbot-iotik32a.menu.FlashSize.8M.build.partitions=default_8MB
+mgbot-iotik32a.menu.FlashSize.2M=2MB (16Mb)
+mgbot-iotik32a.menu.FlashSize.2M.build.flash_size=2MB
+mgbot-iotik32a.menu.FlashSize.2M.build.partitions=minimal
+mgbot-iotik32a.menu.FlashSize.16M=16MB (128Mb)
+mgbot-iotik32a.menu.FlashSize.16M.build.flash_size=16MB
+
+mgbot-iotik32a.menu.UploadSpeed.921600=921600
+mgbot-iotik32a.menu.UploadSpeed.921600.upload.speed=921600
+mgbot-iotik32a.menu.UploadSpeed.115200=115200
+mgbot-iotik32a.menu.UploadSpeed.115200.upload.speed=115200
+mgbot-iotik32a.menu.UploadSpeed.256000.windows=256000
+mgbot-iotik32a.menu.UploadSpeed.256000.upload.speed=256000
+mgbot-iotik32a.menu.UploadSpeed.230400.windows.upload.speed=256000
+mgbot-iotik32a.menu.UploadSpeed.230400=230400
+mgbot-iotik32a.menu.UploadSpeed.230400.upload.speed=230400
+mgbot-iotik32a.menu.UploadSpeed.460800.linux=460800
+mgbot-iotik32a.menu.UploadSpeed.460800.macosx=460800
+mgbot-iotik32a.menu.UploadSpeed.460800.upload.speed=460800
+mgbot-iotik32a.menu.UploadSpeed.512000.windows=512000
+mgbot-iotik32a.menu.UploadSpeed.512000.upload.speed=512000
+
+mgbot-iotik32a.menu.DebugLevel.none=None
+mgbot-iotik32a.menu.DebugLevel.none.build.code_debug=0
+mgbot-iotik32a.menu.DebugLevel.error=Error
+mgbot-iotik32a.menu.DebugLevel.error.build.code_debug=1
+mgbot-iotik32a.menu.DebugLevel.warn=Warn
+mgbot-iotik32a.menu.DebugLevel.warn.build.code_debug=2
+mgbot-iotik32a.menu.DebugLevel.info=Info
+mgbot-iotik32a.menu.DebugLevel.info.build.code_debug=3
+mgbot-iotik32a.menu.DebugLevel.debug=Debug
+mgbot-iotik32a.menu.DebugLevel.debug.build.code_debug=4
+mgbot-iotik32a.menu.DebugLevel.verbose=Verbose
+mgbot-iotik32a.menu.DebugLevel.verbose.build.code_debug=5
+
+##############################################################
+
+mgbot-iotik32b.name=MGBOT IOTIK 32B
+
+mgbot-iotik32b.upload.tool=esptool_py
+mgbot-iotik32b.upload.maximum_size=1310720
+mgbot-iotik32b.upload.maximum_data_size=327680
+mgbot-iotik32b.upload.wait_for_upload_port=true
+
+mgbot-iotik32b.serial.disableDTR=true
+mgbot-iotik32b.serial.disableRTS=true
+
+mgbot-iotik32b.build.mcu=esp32
+mgbot-iotik32b.build.core=esp32
+mgbot-iotik32b.build.variant=mgbot-iotik32b
+mgbot-iotik32b.build.board=MGBOT_IOTIK32B
+
+mgbot-iotik32b.build.f_cpu=240000000L
+mgbot-iotik32b.build.flash_size=4MB
+mgbot-iotik32b.build.flash_freq=40m
+mgbot-iotik32b.build.flash_mode=dio
+mgbot-iotik32b.build.boot=dio
+mgbot-iotik32b.build.partitions=default
+mgbot-iotik32b.build.defines=
+
+mgbot-iotik32b.menu.PSRAM.disabled=Disabled
+mgbot-iotik32b.menu.PSRAM.disabled.build.defines=
+mgbot-iotik32b.menu.PSRAM.enabled=Enabled
+mgbot-iotik32b.menu.PSRAM.enabled.build.defines=-DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue
+
+mgbot-iotik32b.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.default.build.partitions=default
+mgbot-iotik32b.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
+mgbot-iotik32b.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+mgbot-iotik32b.menu.PartitionScheme.default_8MB=8M Flash (3MB APP/1.5MB FAT)
+mgbot-iotik32b.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
+mgbot-iotik32b.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
+mgbot-iotik32b.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.minimal.build.partitions=minimal
+mgbot-iotik32b.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.no_ota.build.partitions=no_ota
+mgbot-iotik32b.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+mgbot-iotik32b.menu.PartitionScheme.noota_3g=No OTA (1MB APP/3MB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.noota_3g.build.partitions=noota_3g
+mgbot-iotik32b.menu.PartitionScheme.noota_3g.upload.maximum_size=1048576
+mgbot-iotik32b.menu.PartitionScheme.noota_ffat=No OTA (2MB APP/2MB FATFS)
+mgbot-iotik32b.menu.PartitionScheme.noota_ffat.build.partitions=noota_ffat
+mgbot-iotik32b.menu.PartitionScheme.noota_ffat.upload.maximum_size=2097152
+mgbot-iotik32b.menu.PartitionScheme.noota_3gffat=No OTA (1MB APP/3MB FATFS)
+mgbot-iotik32b.menu.PartitionScheme.noota_3gffat.build.partitions=noota_3gffat
+mgbot-iotik32b.menu.PartitionScheme.noota_3gffat.upload.maximum_size=1048576
+mgbot-iotik32b.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA/1MB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.huge_app.build.partitions=huge_app
+mgbot-iotik32b.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
+mgbot-iotik32b.menu.PartitionScheme.min_spiffs=Minimal SPIFFS (1.9MB APP with OTA/190KB SPIFFS)
+mgbot-iotik32b.menu.PartitionScheme.min_spiffs.build.partitions=min_spiffs
+mgbot-iotik32b.menu.PartitionScheme.min_spiffs.upload.maximum_size=1966080
+mgbot-iotik32b.menu.PartitionScheme.fatflash=16M Flash (2MB APP/12.5MB FAT)
+mgbot-iotik32b.menu.PartitionScheme.fatflash.build.partitions=ffat
+mgbot-iotik32b.menu.PartitionScheme.fatflash.upload.maximum_size=2097152
+mgbot-iotik32b.menu.PartitionScheme.app3M_fat9M_16MB=16M Flash (3MB APP/9MB FATFS)
+mgbot-iotik32b.menu.PartitionScheme.app3M_fat9M_16MB.build.partitions=app3M_fat9M_16MB
+mgbot-iotik32b.menu.PartitionScheme.app3M_fat9M_16MB.upload.maximum_size=3145728
+
+mgbot-iotik32b.menu.CPUFreq.240=240MHz (WiFi/BT)
+mgbot-iotik32b.menu.CPUFreq.240.build.f_cpu=240000000L
+mgbot-iotik32b.menu.CPUFreq.160=160MHz (WiFi/BT)
+mgbot-iotik32b.menu.CPUFreq.160.build.f_cpu=160000000L
+mgbot-iotik32b.menu.CPUFreq.80=80MHz (WiFi/BT)
+mgbot-iotik32b.menu.CPUFreq.80.build.f_cpu=80000000L
+mgbot-iotik32b.menu.CPUFreq.40=40MHz (40MHz XTAL)
+mgbot-iotik32b.menu.CPUFreq.40.build.f_cpu=40000000L
+mgbot-iotik32b.menu.CPUFreq.26=26MHz (26MHz XTAL)
+mgbot-iotik32b.menu.CPUFreq.26.build.f_cpu=26000000L
+mgbot-iotik32b.menu.CPUFreq.20=20MHz (40MHz XTAL)
+mgbot-iotik32b.menu.CPUFreq.20.build.f_cpu=20000000L
+mgbot-iotik32b.menu.CPUFreq.13=13MHz (26MHz XTAL)
+mgbot-iotik32b.menu.CPUFreq.13.build.f_cpu=13000000L
+mgbot-iotik32b.menu.CPUFreq.10=10MHz (40MHz XTAL)
+mgbot-iotik32b.menu.CPUFreq.10.build.f_cpu=10000000L
+
+mgbot-iotik32b.menu.FlashMode.qio=QIO
+mgbot-iotik32b.menu.FlashMode.qio.build.flash_mode=dio
+mgbot-iotik32b.menu.FlashMode.qio.build.boot=qio
+mgbot-iotik32b.menu.FlashMode.dio=DIO
+mgbot-iotik32b.menu.FlashMode.dio.build.flash_mode=dio
+mgbot-iotik32b.menu.FlashMode.dio.build.boot=dio
+mgbot-iotik32b.menu.FlashMode.qout=QOUT
+mgbot-iotik32b.menu.FlashMode.qout.build.flash_mode=dout
+mgbot-iotik32b.menu.FlashMode.qout.build.boot=qout
+mgbot-iotik32b.menu.FlashMode.dout=DOUT
+mgbot-iotik32b.menu.FlashMode.dout.build.flash_mode=dout
+mgbot-iotik32b.menu.FlashMode.dout.build.boot=dout
+
+mgbot-iotik32b.menu.FlashFreq.80=80MHz
+mgbot-iotik32b.menu.FlashFreq.80.build.flash_freq=80m
+mgbot-iotik32b.menu.FlashFreq.40=40MHz
+mgbot-iotik32b.menu.FlashFreq.40.build.flash_freq=40m
+
+mgbot-iotik32b.menu.FlashSize.4M=4MB (32Mb)
+mgbot-iotik32b.menu.FlashSize.4M.build.flash_size=4MB
+mgbot-iotik32b.menu.FlashSize.8M=8MB (64Mb)
+mgbot-iotik32b.menu.FlashSize.8M.build.flash_size=8MB
+mgbot-iotik32b.menu.FlashSize.8M.build.partitions=default_8MB
+mgbot-iotik32b.menu.FlashSize.2M=2MB (16Mb)
+mgbot-iotik32b.menu.FlashSize.2M.build.flash_size=2MB
+mgbot-iotik32b.menu.FlashSize.2M.build.partitions=minimal
+mgbot-iotik32b.menu.FlashSize.16M=16MB (128Mb)
+mgbot-iotik32b.menu.FlashSize.16M.build.flash_size=16MB
+
+mgbot-iotik32b.menu.UploadSpeed.921600=921600
+mgbot-iotik32b.menu.UploadSpeed.921600.upload.speed=921600
+mgbot-iotik32b.menu.UploadSpeed.115200=115200
+mgbot-iotik32b.menu.UploadSpeed.115200.upload.speed=115200
+mgbot-iotik32b.menu.UploadSpeed.256000.windows=256000
+mgbot-iotik32b.menu.UploadSpeed.256000.upload.speed=256000
+mgbot-iotik32b.menu.UploadSpeed.230400.windows.upload.speed=256000
+mgbot-iotik32b.menu.UploadSpeed.230400=230400
+mgbot-iotik32b.menu.UploadSpeed.230400.upload.speed=230400
+mgbot-iotik32b.menu.UploadSpeed.460800.linux=460800
+mgbot-iotik32b.menu.UploadSpeed.460800.macosx=460800
+mgbot-iotik32b.menu.UploadSpeed.460800.upload.speed=460800
+mgbot-iotik32b.menu.UploadSpeed.512000.windows=512000
+mgbot-iotik32b.menu.UploadSpeed.512000.upload.speed=512000
+
+mgbot-iotik32b.menu.DebugLevel.none=None
+mgbot-iotik32b.menu.DebugLevel.none.build.code_debug=0
+mgbot-iotik32b.menu.DebugLevel.error=Error
+mgbot-iotik32b.menu.DebugLevel.error.build.code_debug=1
+mgbot-iotik32b.menu.DebugLevel.warn=Warn
+mgbot-iotik32b.menu.DebugLevel.warn.build.code_debug=2
+mgbot-iotik32b.menu.DebugLevel.info=Info
+mgbot-iotik32b.menu.DebugLevel.info.build.code_debug=3
+mgbot-iotik32b.menu.DebugLevel.debug=Debug
+mgbot-iotik32b.menu.DebugLevel.debug.build.code_debug=4
+mgbot-iotik32b.menu.DebugLevel.verbose=Verbose
+mgbot-iotik32b.menu.DebugLevel.verbose.build.code_debug=5
+
+##############################################################
diff --git a/variants/mgbot-iotik32a/pins_arduino.h b/variants/mgbot-iotik32a/pins_arduino.h
new file mode 100644
index 00000000..d023a85d
--- /dev/null
+++ b/variants/mgbot-iotik32a/pins_arduino.h
@@ -0,0 +1,66 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        40
+#define NUM_ANALOG_INPUTS       16
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+static const uint8_t LED_BUILTIN = 4;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+#define TXD TX
+#define RXD RX
+
+static const uint8_t TX2 = 17;
+static const uint8_t RX2 = 16;
+#define TXD2 TX2
+#define RXD2 RX2
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS    = 5;
+static const uint8_t MOSI  = 23;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 18;
+
+static const uint8_t A0 = 36;
+static const uint8_t A3 = 39;
+static const uint8_t A4 = 32;
+static const uint8_t A5 = 33;
+static const uint8_t A6 = 34;
+static const uint8_t A7 = 35;
+static const uint8_t A10 = 4;
+static const uint8_t A11 = 0;
+static const uint8_t A12 = 2;
+static const uint8_t A13 = 15;
+static const uint8_t A14 = 13;
+static const uint8_t A15 = 12;
+static const uint8_t A16 = 14;
+static const uint8_t A17 = 27;
+static const uint8_t A18 = 25;
+static const uint8_t A19 = 26;
+
+static const uint8_t T0 = 4;
+static const uint8_t T1 = 0;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 15;
+static const uint8_t T4 = 13;
+static const uint8_t T5 = 12;
+static const uint8_t T6 = 14;
+static const uint8_t T7 = 27;
+static const uint8_t T8 = 33;
+static const uint8_t T9 = 32;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+#endif /* Pins_Arduino_h */
diff --git a/variants/mgbot-iotik32b/pins_arduino.h b/variants/mgbot-iotik32b/pins_arduino.h
new file mode 100644
index 00000000..6b555ea7
--- /dev/null
+++ b/variants/mgbot-iotik32b/pins_arduino.h
@@ -0,0 +1,71 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        40
+#define NUM_ANALOG_INPUTS       16
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+static const uint8_t LED_BUILTIN = 18;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+
+// IR receiver
+static const uint8_t IR = 27;
+#define IR_RECV IR
+#define IR_INPUT IR
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+#define TXD TX
+#define RXD RX
+
+static const uint8_t TX2 = 17;
+static const uint8_t RX2 = 16;
+#define TXD2 TX2
+#define RXD2 RX2
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS    = 5;
+static const uint8_t MOSI  = 23;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 18;
+
+static const uint8_t A0 = 36;
+static const uint8_t A3 = 39;
+static const uint8_t A4 = 32;
+static const uint8_t A5 = 33;
+static const uint8_t A6 = 34;
+static const uint8_t A7 = 35;
+static const uint8_t A10 = 4;
+static const uint8_t A11 = 0;
+static const uint8_t A12 = 2;
+static const uint8_t A13 = 15;
+static const uint8_t A14 = 13;
+static const uint8_t A15 = 12;
+static const uint8_t A16 = 14;
+static const uint8_t A17 = 27;
+static const uint8_t A18 = 25;
+static const uint8_t A19 = 26;
+
+static const uint8_t T0 = 4;
+static const uint8_t T1 = 0;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 15;
+static const uint8_t T4 = 13;
+static const uint8_t T5 = 12;
+static const uint8_t T6 = 14;
+static const uint8_t T7 = 27;
+static const uint8_t T8 = 33;
+static const uint8_t T9 = 32;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+#endif /* Pins_Arduino_h */