diff --git a/boards.txt b/boards.txt
index 39f2d1df7c8..9add21d43e7 100644
--- a/boards.txt
+++ b/boards.txt
@@ -52955,3 +52955,149 @@ soldered_nula_mini_esp32c6.menu.ZigbeeMode.zczr.build.zigbee_mode=-DZIGBEE_MODE_
 soldered_nula_mini_esp32c6.menu.ZigbeeMode.zczr.build.zigbee_libs=-lesp_zb_api.zczr -lzboss_stack.zczr -lzboss_port.native
 
 ##############################################################
+
+arduino_nesso_n1.name=Arduino Nesso N1
+
+arduino_nesso_n1.bootloader.tool=esptool_py
+arduino_nesso_n1.bootloader.tool.default=esptool_py
+
+arduino_nesso_n1.upload.tool=esptool_py
+arduino_nesso_n1.upload.tool.default=esptool_py
+arduino_nesso_n1.upload.tool.network=esp_ota
+
+arduino_nesso_n1.upload.maximum_size=1310720
+arduino_nesso_n1.upload.maximum_data_size=327680
+arduino_nesso_n1.upload.flags=
+arduino_nesso_n1.upload.extra_flags=
+arduino_nesso_n1.upload.use_1200bps_touch=false
+arduino_nesso_n1.upload.wait_for_upload_port=false
+
+arduino_nesso_n1.serial.disableDTR=false
+arduino_nesso_n1.serial.disableRTS=false
+
+arduino_nesso_n1.build.tarch=riscv32
+arduino_nesso_n1.build.target=esp
+arduino_nesso_n1.build.mcu=esp32c6
+arduino_nesso_n1.build.core=esp32
+arduino_nesso_n1.build.variant=arduino_nesso_n1
+arduino_nesso_n1.build.board=ARDUINO_NESSO_N1
+arduino_nesso_n1.build.bootloader_addr=0x0
+
+arduino_nesso_n1.build.cdc_on_boot=1
+arduino_nesso_n1.build.f_cpu=160000000L
+arduino_nesso_n1.build.flash_size=16MB
+arduino_nesso_n1.build.flash_freq=80m
+arduino_nesso_n1.build.flash_mode=qio
+arduino_nesso_n1.build.boot=qio
+arduino_nesso_n1.build.partitions=default
+arduino_nesso_n1.build.defines=
+
+## IDE 2.0 Seems to not update the value
+arduino_nesso_n1.menu.JTAGAdapter.default=Disabled
+arduino_nesso_n1.menu.JTAGAdapter.default.build.copy_jtag_files=0
+arduino_nesso_n1.menu.JTAGAdapter.builtin=Integrated USB JTAG
+arduino_nesso_n1.menu.JTAGAdapter.builtin.build.openocdscript=esp32c6-builtin.cfg
+arduino_nesso_n1.menu.JTAGAdapter.builtin.build.copy_jtag_files=1
+arduino_nesso_n1.menu.JTAGAdapter.external=FTDI Adapter
+arduino_nesso_n1.menu.JTAGAdapter.external.build.openocdscript=esp32c6-ftdi.cfg
+arduino_nesso_n1.menu.JTAGAdapter.external.build.copy_jtag_files=1
+arduino_nesso_n1.menu.JTAGAdapter.bridge=ESP USB Bridge
+arduino_nesso_n1.menu.JTAGAdapter.bridge.build.openocdscript=esp32c6-bridge.cfg
+arduino_nesso_n1.menu.JTAGAdapter.bridge.build.copy_jtag_files=1
+
+arduino_nesso_n1.menu.CDCOnBoot.default=Enabled
+arduino_nesso_n1.menu.CDCOnBoot.default.build.cdc_on_boot=1
+arduino_nesso_n1.menu.CDCOnBoot.cdc=Disabled
+arduino_nesso_n1.menu.CDCOnBoot.cdc.build.cdc_on_boot=0
+
+arduino_nesso_n1.menu.PartitionScheme.app3M_fat9M_16MB=16M Flash (3MB APP/9.9MB FATFS)
+arduino_nesso_n1.menu.PartitionScheme.app3M_fat9M_16MB.build.partitions=app3M_fat9M_16MB
+arduino_nesso_n1.menu.PartitionScheme.app3M_fat9M_16MB.upload.maximum_size=3145728
+arduino_nesso_n1.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)
+arduino_nesso_n1.menu.PartitionScheme.default.build.partitions=default
+arduino_nesso_n1.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
+arduino_nesso_n1.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+arduino_nesso_n1.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
+arduino_nesso_n1.menu.PartitionScheme.no_ota.build.partitions=no_ota
+arduino_nesso_n1.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+arduino_nesso_n1.menu.PartitionScheme.noota_3g=No OTA (1MB APP/3MB SPIFFS)
+arduino_nesso_n1.menu.PartitionScheme.noota_3g.build.partitions=noota_3g
+arduino_nesso_n1.menu.PartitionScheme.noota_3g.upload.maximum_size=1048576
+arduino_nesso_n1.menu.PartitionScheme.noota_ffat=No OTA (2MB APP/2MB FATFS)
+arduino_nesso_n1.menu.PartitionScheme.noota_ffat.build.partitions=noota_ffat
+arduino_nesso_n1.menu.PartitionScheme.noota_ffat.upload.maximum_size=2097152
+arduino_nesso_n1.menu.PartitionScheme.noota_3gffat=No OTA (1MB APP/3MB FATFS)
+arduino_nesso_n1.menu.PartitionScheme.noota_3gffat.build.partitions=noota_3gffat
+arduino_nesso_n1.menu.PartitionScheme.noota_3gffat.upload.maximum_size=1048576
+arduino_nesso_n1.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA/1MB SPIFFS)
+arduino_nesso_n1.menu.PartitionScheme.huge_app.build.partitions=huge_app
+arduino_nesso_n1.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
+arduino_nesso_n1.menu.PartitionScheme.zigbee=Zigbee 4MB with spiffs
+arduino_nesso_n1.menu.PartitionScheme.zigbee.build.partitions=zigbee
+arduino_nesso_n1.menu.PartitionScheme.zigbee.upload.maximum_size=1310720
+arduino_nesso_n1.menu.PartitionScheme.zigbee_zczr=Zigbee ZCZR 4MB with spiffs
+arduino_nesso_n1.menu.PartitionScheme.zigbee_zczr.build.partitions=zigbee_zczr
+arduino_nesso_n1.menu.PartitionScheme.zigbee_zczr.upload.maximum_size=1310720
+
+arduino_nesso_n1.menu.CPUFreq.160=160MHz (WiFi)
+arduino_nesso_n1.menu.CPUFreq.160.build.f_cpu=160000000L
+arduino_nesso_n1.menu.CPUFreq.80=80MHz (WiFi)
+arduino_nesso_n1.menu.CPUFreq.80.build.f_cpu=80000000L
+arduino_nesso_n1.menu.CPUFreq.40=40MHz
+arduino_nesso_n1.menu.CPUFreq.40.build.f_cpu=40000000L
+arduino_nesso_n1.menu.CPUFreq.20=20MHz
+arduino_nesso_n1.menu.CPUFreq.20.build.f_cpu=20000000L
+arduino_nesso_n1.menu.CPUFreq.10=10MHz
+arduino_nesso_n1.menu.CPUFreq.10.build.f_cpu=10000000L
+
+arduino_nesso_n1.menu.FlashMode.qio=QIO
+arduino_nesso_n1.menu.FlashMode.qio.build.flash_mode=dio
+arduino_nesso_n1.menu.FlashMode.qio.build.boot=qio
+arduino_nesso_n1.menu.FlashMode.dio=DIO
+arduino_nesso_n1.menu.FlashMode.dio.build.flash_mode=dio
+arduino_nesso_n1.menu.FlashMode.dio.build.boot=dio
+
+arduino_nesso_n1.menu.UploadSpeed.921600=921600
+arduino_nesso_n1.menu.UploadSpeed.921600.upload.speed=921600
+arduino_nesso_n1.menu.UploadSpeed.115200=115200
+arduino_nesso_n1.menu.UploadSpeed.115200.upload.speed=115200
+arduino_nesso_n1.menu.UploadSpeed.256000.windows=256000
+arduino_nesso_n1.menu.UploadSpeed.256000.upload.speed=256000
+arduino_nesso_n1.menu.UploadSpeed.230400.windows.upload.speed=256000
+arduino_nesso_n1.menu.UploadSpeed.230400=230400
+arduino_nesso_n1.menu.UploadSpeed.230400.upload.speed=230400
+arduino_nesso_n1.menu.UploadSpeed.460800.linux=460800
+arduino_nesso_n1.menu.UploadSpeed.460800.macosx=460800
+arduino_nesso_n1.menu.UploadSpeed.460800.upload.speed=460800
+arduino_nesso_n1.menu.UploadSpeed.512000.windows=512000
+arduino_nesso_n1.menu.UploadSpeed.512000.upload.speed=512000
+
+arduino_nesso_n1.menu.DebugLevel.none=None
+arduino_nesso_n1.menu.DebugLevel.none.build.code_debug=0
+arduino_nesso_n1.menu.DebugLevel.error=Error
+arduino_nesso_n1.menu.DebugLevel.error.build.code_debug=1
+arduino_nesso_n1.menu.DebugLevel.warn=Warn
+arduino_nesso_n1.menu.DebugLevel.warn.build.code_debug=2
+arduino_nesso_n1.menu.DebugLevel.info=Info
+arduino_nesso_n1.menu.DebugLevel.info.build.code_debug=3
+arduino_nesso_n1.menu.DebugLevel.debug=Debug
+arduino_nesso_n1.menu.DebugLevel.debug.build.code_debug=4
+arduino_nesso_n1.menu.DebugLevel.verbose=Verbose
+arduino_nesso_n1.menu.DebugLevel.verbose.build.code_debug=5
+
+arduino_nesso_n1.menu.EraseFlash.none=Disabled
+arduino_nesso_n1.menu.EraseFlash.none.upload.erase_cmd=
+arduino_nesso_n1.menu.EraseFlash.all=Enabled
+arduino_nesso_n1.menu.EraseFlash.all.upload.erase_cmd=-e
+
+arduino_nesso_n1.menu.ZigbeeMode.default=Disabled
+arduino_nesso_n1.menu.ZigbeeMode.default.build.zigbee_mode=
+arduino_nesso_n1.menu.ZigbeeMode.default.build.zigbee_libs=
+arduino_nesso_n1.menu.ZigbeeMode.ed=Zigbee ED (end device)
+arduino_nesso_n1.menu.ZigbeeMode.ed.build.zigbee_mode=-DZIGBEE_MODE_ED
+arduino_nesso_n1.menu.ZigbeeMode.ed.build.zigbee_libs=-lesp_zb_api.ed -lzboss_stack.ed -lzboss_port.native
+arduino_nesso_n1.menu.ZigbeeMode.zczr=Zigbee ZCZR (coordinator/router)
+arduino_nesso_n1.menu.ZigbeeMode.zczr.build.zigbee_mode=-DZIGBEE_MODE_ZCZR
+arduino_nesso_n1.menu.ZigbeeMode.zczr.build.zigbee_libs=-lesp_zb_api.zczr -lzboss_stack.zczr -lzboss_port.native
+
+##############################################################
diff --git a/variants/arduino_nesso_n1/expander.cpp b/variants/arduino_nesso_n1/expander.cpp
new file mode 100644
index 00000000000..d905cad44ca
--- /dev/null
+++ b/variants/arduino_nesso_n1/expander.cpp
@@ -0,0 +1,129 @@
+#define TwoWire TwoWireInternal
+#define Wire    WireInternal
+#define Wire1   WireInternal1
+
+#include "pins_arduino.h"
+#include "../../libraries/Wire/src/Wire.h"
+#include "../../libraries/Wire/src/Wire.cpp"
+
+static bool wireInitialized = false;
+
+// From https://www.diodes.com/datasheet/download/PI4IOE5V6408.pdf
+static void writeRegister(uint8_t address, uint8_t reg, uint8_t value) {
+  WireInternal.beginTransmission(address);
+  WireInternal.write(reg);
+  WireInternal.write(value);
+  WireInternal.endTransmission();
+}
+
+static uint8_t readRegister(uint8_t address, uint8_t reg) {
+  WireInternal.beginTransmission(address);
+  WireInternal.write(reg);
+  WireInternal.endTransmission(false);
+  WireInternal.requestFrom(address, 1);
+  return WireInternal.read();
+}
+
+static void writeBitRegister(uint8_t address, uint8_t reg, uint8_t bit, uint8_t value) {
+  uint8_t val = readRegister(address, reg);
+  if (value) {
+    writeRegister(address, reg, val | (1 << bit));
+  } else {
+    writeRegister(address, reg, val & ~(1 << bit));
+  }
+}
+
+static bool readBitRegister(uint8_t address, uint8_t reg, uint8_t bit) {
+  uint8_t val = readRegister(address, reg);
+  return ((val & (1 << bit)) > 0);
+}
+
+void pinMode(ExpanderPin pin, uint8_t mode) {
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+    // reset all registers to default state
+    writeRegister(pin.address, 0x1, 0x1);
+    // set all pins as high as default state
+    writeRegister(pin.address, 0x9, 0xFF);
+    // interrupt mask to all pins
+    writeRegister(pin.address, 0x11, 0xFF);
+    // all input
+    writeRegister(pin.address, 0x3, 0);
+  }
+  writeBitRegister(pin.address, 0x3, pin.pin, mode == OUTPUT);
+  if (mode == OUTPUT) {
+    // remove high impedance
+    writeBitRegister(pin.address, 0x7, pin.pin, false);
+  } else if (mode == INPUT_PULLUP) {
+    // set pull-up resistor
+    writeBitRegister(pin.address, 0xB, pin.pin, true);
+    writeBitRegister(pin.address, 0xD, pin.pin, true);
+  } else if (mode == INPUT_PULLDOWN) {
+    // disable pull-up resistor
+    writeBitRegister(pin.address, 0xB, pin.pin, true);
+    writeBitRegister(pin.address, 0xD, pin.pin, false);
+  } else if (mode == INPUT) {
+    // disable pull selector resistor
+    writeBitRegister(pin.address, 0xB, pin.pin, false);
+  }
+}
+
+void digitalWrite(ExpanderPin pin, uint8_t val) {
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+  }
+  writeBitRegister(pin.address, 0x5, pin.pin, val == HIGH);
+}
+
+int digitalRead(ExpanderPin pin) {
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+  }
+  return readBitRegister(pin.address, 0xF, pin.pin);
+}
+
+void NessoBattery::enableCharge() {
+  // AW32001E - address 0x49
+  // set CEB bit low (charge enable)
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+  }
+  writeBitRegister(0x49, 0x1, 3, false);
+}
+
+float NessoBattery::getVoltage() {
+  // BQ27220 - address 0x55
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+  }
+  uint16_t voltage = (readRegister(0x55, 0x9) << 8) | readRegister(0x55, 0x8);
+  return (float)voltage / 1000.0f;
+}
+
+uint16_t NessoBattery::getChargeLevel() {
+  // BQ27220 - address 0x55
+  if (!wireInitialized) {
+    WireInternal.begin(SDA, SCL);
+    wireInitialized = true;
+  }
+  uint16_t current_capacity = readRegister(0x55, 0x11) << 8 | readRegister(0x55, 0x10);
+  uint16_t total_capacity = readRegister(0x55, 0x13) << 8 | readRegister(0x55, 0x12);
+  return (current_capacity * 100) / total_capacity;
+}
+
+ExpanderPin LORA_LNA_ENABLE(5);
+ExpanderPin LORA_ANTENNA_SWITCH(6);
+ExpanderPin LORA_ENABLE(7);
+ExpanderPin KEY1(0);
+ExpanderPin KEY2(1);
+ExpanderPin POWEROFF((1 << 8) | 0);
+ExpanderPin LCD_RESET((1 << 8) | 1);
+ExpanderPin GROVE_POWER_EN((1 << 8) | 2);
+ExpanderPin VIN_DETECT((1 << 8) | 5);
+ExpanderPin LCD_BACKLIGHT((1 << 8) | 6);
+ExpanderPin LED_BUILTIN((1 << 8) | 7);
diff --git a/variants/arduino_nesso_n1/pins_arduino.h b/variants/arduino_nesso_n1/pins_arduino.h
new file mode 100644
index 00000000000..fc1414b361d
--- /dev/null
+++ b/variants/arduino_nesso_n1/pins_arduino.h
@@ -0,0 +1,77 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+#include "soc/soc_caps.h"
+
+#define USB_VID          0x303A
+#define USB_PID          0x1001
+#define USB_MANUFACTURER "Arduino"
+#define USB_PRODUCT      "Nesso N1"
+#define USB_SERIAL       ""
+
+static const uint8_t TX = -1;
+static const uint8_t RX = -1;
+
+static const uint8_t SDA = 10;
+static const uint8_t SCL = 8;
+
+static const uint8_t MOSI = 21;
+static const uint8_t MISO = 22;
+static const uint8_t SCK = 20;
+static const uint8_t SS = 23;
+
+static const uint8_t D1 = 7;
+static const uint8_t D2 = 2;
+static const uint8_t D3 = 6;
+
+static const uint8_t IR_TX_PIN = 9;
+static const uint8_t BEEP_PIN = 11;
+
+static const uint8_t GROVE_IO_0 = 5;
+static const uint8_t GROVE_IO_1 = 4;
+
+static const uint8_t LORA_IRQ = 15;
+static const uint8_t LORA_CS = 23;
+static const uint8_t LORA_BUSY = 19;
+
+static const uint8_t SYS_IRQ = 3;
+
+static const uint8_t LCD_CS = 17;
+static const uint8_t LCD_RS = 16;
+
+#if !defined(MAIN_ESP32_HAL_GPIO_H_) && defined(__cplusplus)
+/* address: 0x43/0x44 */
+class ExpanderPin {
+public:
+  ExpanderPin(uint16_t _pin) : pin(_pin & 0xFF), address(_pin & 0x100 ? 0x44 : 0x43){};
+  uint8_t pin;
+  uint8_t address;
+};
+
+class NessoBattery {
+public:
+  NessoBattery(){};
+  void enableCharge();        // enable charging
+  float getVoltage();         // get battery voltage in Volts
+  uint16_t getChargeLevel();  // get battery charge level in percents
+};
+
+extern ExpanderPin LORA_LNA_ENABLE;
+extern ExpanderPin LORA_ANTENNA_SWITCH;
+extern ExpanderPin LORA_ENABLE;
+extern ExpanderPin POWEROFF;
+extern ExpanderPin GROVE_POWER_EN;
+extern ExpanderPin VIN_DETECT;
+extern ExpanderPin LCD_RESET;
+extern ExpanderPin LCD_BACKLIGHT;
+extern ExpanderPin LED_BUILTIN;
+extern ExpanderPin KEY1;
+extern ExpanderPin KEY2;
+
+void pinMode(ExpanderPin pin, uint8_t mode);
+void digitalWrite(ExpanderPin pin, uint8_t val);
+int digitalRead(ExpanderPin pin);
+#endif
+
+#endif /* Pins_Arduino_h */