diff --git a/CODEOWNERS b/CODEOWNERS
index c6ef528a8c..ed9c13a975 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -283,6 +283,7 @@ esphome/components/mopeka_std_check/* @Fabian-Schmidt
 esphome/components/mpl3115a2/* @kbickar
 esphome/components/mpu6886/* @fabaff
 esphome/components/ms8607/* @e28eta
+esphome/components/nau7802/* @cujomalainey
 esphome/components/network/* @esphome/core
 esphome/components/nextion/* @edwardtfn @senexcrenshaw
 esphome/components/nextion/binary_sensor/* @senexcrenshaw
diff --git a/esphome/components/nau7802/__init__.py b/esphome/components/nau7802/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/esphome/components/nau7802/nau7802.cpp b/esphome/components/nau7802/nau7802.cpp
new file mode 100644
index 0000000000..ea6c0258af
--- /dev/null
+++ b/esphome/components/nau7802/nau7802.cpp
@@ -0,0 +1,323 @@
+#include "nau7802.h"
+#include "esphome/core/log.h"
+#include "esphome/core/hal.h"
+
+namespace esphome {
+namespace nau7802 {
+
+static const char *const TAG = "nau7802";
+
+// Only define what we need
+
+static const uint8_t READ_BIT = 0x01;
+
+static const uint8_t PU_CTRL_REG = 0x00;
+static const uint8_t PU_CTRL_REGISTER_RESET = 0x01;
+static const uint8_t PU_CTRL_POWERUP_DIGITAL = 0x02;
+static const uint8_t PU_CTRL_POWERUP_ANALOG = 0x04;
+static const uint8_t PU_CTRL_POWERUP_READY = 0x08;
+static const uint8_t PU_CTRL_CYCLE_START = 0x10;
+static const uint8_t PU_CTRL_CYCLE_READY = 0x20;
+static const uint8_t PU_CTRL_AVDD_EXTERNAL = 0x80;
+
+static const uint8_t CTRL1_REG = 0x01;
+static const uint8_t CTRL1_LDO_SHIFT = 3;
+static const uint8_t CTRL1_LDO_MASK = (0x7 << CTRL1_LDO_SHIFT);
+static const uint8_t CTRL1_GAIN_MASK = 0x7;
+
+static const uint8_t CTRL2_REG = 0x02;
+static const uint8_t CTRL2_CRS_SHIFT = 4;
+static const uint8_t CTRL2_CRS_MASK = (0x7 << CTRL2_CRS_SHIFT);
+static const uint8_t CTRL2_CALS = 0x04;
+static const uint8_t CTRL2_CAL_ERR = 0x08;
+static const uint8_t CTRL2_GAIN_CALIBRATION = 0x03;
+static const uint8_t CTRL2_CONFIG_MASK = 0xF0;
+
+static const uint8_t OCAL1_B2_REG = 0x03;
+static const uint8_t GCAL1_B3_REG = 0x06;
+static const uint8_t GCAL1_FRACTIONAL = 23;
+
+// only need the first data register for sequential read method
+static const uint8_t ADCO_B2_REG = 0x12;
+
+static const uint8_t ADC_REG = 0x15;
+static const uint8_t ADC_CHPS_DISABLE = 0x30;
+
+static const uint8_t PGA_REG = 0x1B;
+static const uint8_t PGA_LDOMODE_ESR = 0x40;
+
+static const uint8_t POWER_REG = 0x1C;
+static const uint8_t POWER_PGA_CAP_EN = 0x80;
+
+static const uint8_t DEVICE_REV = 0x1F;
+
+void NAU7802Sensor::setup() {
+  i2c::I2CRegister pu_ctrl = this->reg(PU_CTRL_REG);
+  ESP_LOGCONFIG(TAG, "Setting up NAU7802 '%s'...", this->name_.c_str());
+  uint8_t rev;
+
+  if (this->read_register(DEVICE_REV | READ_BIT, &rev, 1)) {
+    ESP_LOGE(TAG, "Failed I2C read during setup()");
+    this->mark_failed();
+    return;
+  }
+  ESP_LOGI(TAG, "Setting up NAU7802 Rev %d", rev);
+
+  // reset
+  pu_ctrl |= PU_CTRL_REGISTER_RESET;
+  delay(10);
+  pu_ctrl &= ~PU_CTRL_REGISTER_RESET;
+
+  // power up digital hw
+  pu_ctrl |= PU_CTRL_POWERUP_DIGITAL;
+
+  delay(1);
+  if (!(pu_ctrl.get() & PU_CTRL_POWERUP_READY)) {
+    ESP_LOGE(TAG, "Failed to reset sensor during setup()");
+    this->mark_failed();
+    return;
+  }
+
+  uint32_t gcal = (uint32_t) (round(this->gain_calibration_ * (1 << GCAL1_FRACTIONAL)));
+  this->write_value_(OCAL1_B2_REG, 3, this->offset_calibration_);
+  this->write_value_(GCAL1_B3_REG, 4, gcal);
+
+  // turn on AFE
+  pu_ctrl |= PU_CTRL_POWERUP_ANALOG;
+  auto f = std::bind(&NAU7802Sensor::complete_setup_, this);
+  this->set_timeout(600, f);
+}
+
+void NAU7802Sensor::complete_setup_() {
+  i2c::I2CRegister pu_ctrl = this->reg(PU_CTRL_REG);
+  i2c::I2CRegister ctrl1 = this->reg(CTRL1_REG);
+  i2c::I2CRegister ctrl2 = this->reg(CTRL2_REG);
+  pu_ctrl |= PU_CTRL_CYCLE_START;
+
+  // set gain
+  ctrl1 &= ~CTRL1_GAIN_MASK;
+  ctrl1 |= this->gain_;
+
+  // enable internal LDO
+  if (this->ldo_ != NAU7802_LDO_EXTERNAL) {
+    pu_ctrl |= PU_CTRL_AVDD_EXTERNAL;
+    ctrl1 &= ~CTRL1_LDO_MASK;
+    ctrl1 |= this->ldo_ << CTRL1_LDO_SHIFT;
+  }
+
+  // set sps
+  ctrl2 &= ~CTRL2_CRS_MASK;
+  ctrl2 |= this->sps_ << CTRL2_CRS_SHIFT;
+
+  // disable ADC chopper clock
+  i2c::I2CRegister adc_reg = this->reg(ADC_REG);
+  adc_reg |= ADC_CHPS_DISABLE;
+
+  // use low ESR caps
+  i2c::I2CRegister pga_reg = this->reg(PGA_REG);
+  pga_reg &= ~PGA_LDOMODE_ESR;
+
+  // PGA stabilizer cap on output
+  i2c::I2CRegister pwr_reg = this->reg(POWER_REG);
+  pwr_reg |= POWER_PGA_CAP_EN;
+
+  this->setup_complete_ = true;
+}
+
+void NAU7802Sensor::dump_config() {
+  LOG_SENSOR("", "NAU7802", this);
+  LOG_I2C_DEVICE(this);
+
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, "Communication with NAU7802 failed earlier, during setup");
+    return;
+  }
+  // Note these may differ from the values on the device if calbration has been run
+  ESP_LOGCONFIG(TAG, "  Offset Calibration: %s", to_string(this->offset_calibration_).c_str());
+  ESP_LOGCONFIG(TAG, "  Gain Calibration: %f", this->gain_calibration_);
+
+  std::string voltage = "unknown";
+  switch (this->ldo_) {
+    case NAU7802_LDO_2V4:
+      voltage = "2.4V";
+      break;
+    case NAU7802_LDO_2V7:
+      voltage = "2.7V";
+      break;
+    case NAU7802_LDO_3V0:
+      voltage = "3.0V";
+      break;
+    case NAU7802_LDO_3V3:
+      voltage = "3.3V";
+      break;
+    case NAU7802_LDO_3V6:
+      voltage = "3.6V";
+      break;
+    case NAU7802_LDO_3V9:
+      voltage = "3.9V";
+      break;
+    case NAU7802_LDO_4V2:
+      voltage = "4.2V";
+      break;
+    case NAU7802_LDO_4V5:
+      voltage = "4.5V";
+      break;
+    case NAU7802_LDO_EXTERNAL:
+      voltage = "External";
+      break;
+  }
+  ESP_LOGCONFIG(TAG, "  LDO Voltage: %s", voltage.c_str());
+  int gain = 0;
+  switch (this->gain_) {
+    case NAU7802_GAIN_128:
+      gain = 128;
+      break;
+    case NAU7802_GAIN_64:
+      gain = 64;
+      break;
+    case NAU7802_GAIN_32:
+      gain = 32;
+      break;
+    case NAU7802_GAIN_16:
+      gain = 16;
+      break;
+    case NAU7802_GAIN_8:
+      gain = 8;
+      break;
+    case NAU7802_GAIN_4:
+      gain = 4;
+      break;
+    case NAU7802_GAIN_2:
+      gain = 2;
+      break;
+    case NAU7802_GAIN_1:
+      gain = 1;
+      break;
+  }
+  ESP_LOGCONFIG(TAG, "  Gain: %dx", gain);
+  int sps = 0;
+  switch (this->sps_) {
+    case NAU7802_SPS_320:
+      sps = 320;
+      break;
+    case NAU7802_SPS_80:
+      sps = 80;
+      break;
+    case NAU7802_SPS_40:
+      sps = 40;
+      break;
+    case NAU7802_SPS_20:
+      sps = 20;
+      break;
+    case NAU7802_SPS_10:
+      sps = 10;
+      break;
+  }
+  ESP_LOGCONFIG(TAG, "  Samples Per Second: %d", sps);
+  LOG_UPDATE_INTERVAL(this);
+}
+
+void NAU7802Sensor::write_value_(uint8_t start_reg, size_t size, int32_t value) {
+  uint8_t data[4];
+  for (int i = 0; i < size; i++) {
+    data[i] = 0xFF & (value >> (size - 1 - i) * 8);
+  }
+  this->write_register(start_reg, data, size);
+}
+
+int32_t NAU7802Sensor::read_value_(uint8_t start_reg, size_t size) {
+  uint8_t data[4];
+  this->read_register(start_reg, data, size);
+  int32_t result = 0;
+  for (int i = 0; i < size; i++) {
+    result |= data[i] << (size - 1 - i) * 8;
+  }
+  // extend sign bit
+  if (result & 0x800000 && size == 3) {
+    result |= 0xFF000000;
+  }
+  return result;
+}
+
+bool NAU7802Sensor::calibrate_(enum NAU7802CalibrationModes mode) {
+  // check if already calbrating
+  if (this->state_ != CalibrationState::INACTIVE) {
+    ESP_LOGW(TAG, "Calibration already in progress");
+    return false;
+  }
+
+  this->state_ = mode == NAU7802_CALIBRATE_GAIN ? CalibrationState::GAIN : CalibrationState::OFFSET;
+
+  i2c::I2CRegister ctrl2 = this->reg(CTRL2_REG);
+  // clear calibraye registers
+  ctrl2 &= CTRL2_CONFIG_MASK;
+  // Calibrate
+  ctrl2 |= mode;
+  ctrl2 |= CTRL2_CALS;
+  return true;
+}
+
+void NAU7802Sensor::set_calibration_failure_(bool failed) {
+  switch (this->state_) {
+    case CalibrationState::GAIN:
+      this->gain_calibration_failed_ = failed;
+      break;
+    case CalibrationState::OFFSET:
+      this->offset_calibration_failed_ = failed;
+      break;
+    case CalibrationState::INACTIVE:
+      // shouldn't happen
+      break;
+  }
+}
+
+void NAU7802Sensor::loop() {
+  i2c::I2CRegister ctrl2 = this->reg(CTRL2_REG);
+
+  if (this->state_ != CalibrationState::INACTIVE && !(ctrl2.get() & CTRL2_CALS)) {
+    if (ctrl2.get() & CTRL2_CAL_ERR) {
+      this->set_calibration_failure_(true);
+      this->state_ = CalibrationState::INACTIVE;
+      ESP_LOGE(TAG, "Failed to calibrate sensor");
+      this->status_set_error("Calibration Failed");
+      return;
+    }
+
+    this->set_calibration_failure_(false);
+    this->state_ = CalibrationState::INACTIVE;
+
+    if (!this->offset_calibration_failed_ && !this->gain_calibration_failed_)
+      this->status_clear_error();
+
+    int32_t ocal = this->read_value_(OCAL1_B2_REG, 3);
+    ESP_LOGI(TAG, "New Offset: %s", to_string(ocal).c_str());
+    uint32_t gcal = this->read_value_(GCAL1_B3_REG, 4);
+    float gcal_f = ((float) gcal / (float) (1 << GCAL1_FRACTIONAL));
+    ESP_LOGI(TAG, "New Gain: %f", gcal_f);
+  }
+}
+
+float NAU7802Sensor::get_setup_priority() const { return setup_priority::DATA; }
+
+void NAU7802Sensor::update() {
+  if (!this->is_data_ready_()) {
+    ESP_LOGW(TAG, "No measurements ready!");
+    this->status_set_warning();
+    return;
+  }
+
+  this->status_clear_warning();
+
+  // Get the most recent sample to publish
+  int32_t result = this->read_value_(ADCO_B2_REG, 3);
+
+  ESP_LOGD(TAG, "'%s': Got value %" PRId32, this->name_.c_str(), result);
+  this->publish_state(result);
+}
+
+bool NAU7802Sensor::is_data_ready_() { return this->reg(PU_CTRL_REG).get() & PU_CTRL_CYCLE_READY; }
+
+bool NAU7802Sensor::can_proceed() { return this->setup_complete_; }
+
+}  // namespace nau7802
+}  // namespace esphome
diff --git a/esphome/components/nau7802/nau7802.h b/esphome/components/nau7802/nau7802.h
new file mode 100644
index 0000000000..3b0372aa89
--- /dev/null
+++ b/esphome/components/nau7802/nau7802.h
@@ -0,0 +1,121 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/automation.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+#include <cinttypes>
+
+namespace esphome {
+namespace nau7802 {
+
+enum NAU7802Gain {
+  NAU7802_GAIN_128 = 0b111,
+  NAU7802_GAIN_64 = 0b110,
+  NAU7802_GAIN_32 = 0b101,
+  NAU7802_GAIN_16 = 0b100,
+  NAU7802_GAIN_8 = 0b011,
+  NAU7802_GAIN_4 = 0b010,
+  NAU7802_GAIN_2 = 0b001,
+  NAU7802_GAIN_1 = 0b000,
+};
+
+enum NAU7802SPS {
+  NAU7802_SPS_320 = 0b111,
+  NAU7802_SPS_80 = 0b011,
+  NAU7802_SPS_40 = 0b010,
+  NAU7802_SPS_20 = 0b001,
+  NAU7802_SPS_10 = 0b000,
+};
+
+enum NAU7802LDO {
+  NAU7802_LDO_2V4 = 0b111,
+  NAU7802_LDO_2V7 = 0b110,
+  NAU7802_LDO_3V0 = 0b101,
+  NAU7802_LDO_3V3 = 0b100,
+  NAU7802_LDO_3V6 = 0b011,
+  NAU7802_LDO_3V9 = 0b010,
+  NAU7802_LDO_4V2 = 0b001,
+  NAU7802_LDO_4V5 = 0b000,
+  // Never write this to a register
+  NAU7802_LDO_EXTERNAL = 0b1000,
+};
+
+enum NAU7802CalibrationModes {
+  NAU7802_CALIBRATE_EXTERNAL_OFFSET = 0b10,
+  NAU7802_CALIBRATE_INTERNAL_OFFSET = 0b00,
+  NAU7802_CALIBRATE_GAIN = 0b11,
+};
+
+class NAU7802Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+ public:
+  void set_samples_per_second(NAU7802SPS sps) { this->sps_ = sps; }
+  void set_ldo_voltage(NAU7802LDO ldo) { this->ldo_ = ldo; }
+  void set_gain(NAU7802Gain gain) { this->gain_ = gain; }
+  void set_gain_calibration(float gain_calibration) { this->gain_calibration_ = gain_calibration; }
+  void set_offset_calibration(int32_t offset_calibration) { this->offset_calibration_ = offset_calibration; }
+  bool calibrate_external_offset() { return this->calibrate_(NAU7802_CALIBRATE_EXTERNAL_OFFSET); }
+  bool calibrate_internal_offset() { return this->calibrate_(NAU7802_CALIBRATE_INTERNAL_OFFSET); }
+  bool calibrate_gain() { return this->calibrate_(NAU7802_CALIBRATE_GAIN); }
+
+  void setup() override;
+  void loop() override;
+  bool can_proceed() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+  void update() override;
+
+ protected:
+  //
+  // Internal state
+  //
+  enum class CalibrationState : uint8_t {
+    INACTIVE,
+    OFFSET,
+    GAIN,
+  } state_{CalibrationState::INACTIVE};
+
+  float gain_calibration_;
+  int32_t offset_calibration_;
+  bool offset_calibration_failed_ = false;
+  bool gain_calibration_failed_ = false;
+  bool setup_complete_ = false;
+
+  //
+  // Config values
+  //
+  NAU7802LDO ldo_;
+  NAU7802SPS sps_;
+  NAU7802Gain gain_;
+
+  //
+  // Internal Methods
+  //
+  bool calibrate_(enum NAU7802CalibrationModes mode);
+  void complete_setup_();
+  void write_value_(uint8_t start_reg, size_t size, int32_t value);
+  int32_t read_value_(uint8_t start_reg, size_t size);
+  bool is_data_ready_();
+  void set_calibration_failure_(bool failed);
+};
+
+template<typename... Ts>
+class NAU7802CalbrateExternalOffsetAction : public Action<Ts...>, public Parented<NAU7802Sensor> {
+ public:
+  void play(Ts... x) override { this->parent_->calibrate_external_offset(); }
+};
+
+template<typename... Ts>
+class NAU7802CalbrateInternalOffsetAction : public Action<Ts...>, public Parented<NAU7802Sensor> {
+ public:
+  void play(Ts... x) override { this->parent_->calibrate_internal_offset(); }
+};
+
+template<typename... Ts> class NAU7802CalbrateGainAction : public Action<Ts...>, public Parented<NAU7802Sensor> {
+ public:
+  void play(Ts... x) override { this->parent_->calibrate_gain(); }
+};
+
+}  // namespace nau7802
+}  // namespace esphome
diff --git a/esphome/components/nau7802/sensor.py b/esphome/components/nau7802/sensor.py
new file mode 100644
index 0000000000..9192f48f53
--- /dev/null
+++ b/esphome/components/nau7802/sensor.py
@@ -0,0 +1,134 @@
+from esphome import automation
+from esphome.automation import maybe_simple_id
+import esphome.codegen as cg
+from esphome.components import i2c, sensor
+import esphome.config_validation as cv
+from esphome.const import CONF_GAIN, CONF_ID, ICON_SCALE, STATE_CLASS_MEASUREMENT
+
+CODEOWNERS = ["@cujomalainey"]
+DEPENDENCIES = ["i2c"]
+
+CONF_GAIN_CALIBRATION = "gain_calibration"
+CONF_OFFSET_CALIBRATION = "offset_calibration"
+CONF_LDO_VOLTAGE = "ldo_voltage"
+CONF_SAMPLES_PER_SECOND = "samples_per_second"
+
+nau7802_ns = cg.esphome_ns.namespace("nau7802")
+NAU7802Sensor = nau7802_ns.class_(
+    "NAU7802Sensor", sensor.Sensor, cg.PollingComponent, i2c.I2CDevice
+)
+NAU7802CalbrateExternalOffsetAction = nau7802_ns.class_(
+    "NAU7802CalbrateExternalOffsetAction",
+    automation.Action,
+    cg.Parented.template(NAU7802Sensor),
+)
+NAU7802CalbrateInternalOffsetAction = nau7802_ns.class_(
+    "NAU7802CalbrateInternalOffsetAction",
+    automation.Action,
+    cg.Parented.template(NAU7802Sensor),
+)
+NAU7802CalbrateGainAction = nau7802_ns.class_(
+    "NAU7802CalbrateGainAction", automation.Action, cg.Parented.template(NAU7802Sensor)
+)
+
+NAU7802Gain = nau7802_ns.enum("NAU7802Gain")
+GAINS = {
+    128: NAU7802Gain.NAU7802_GAIN_128,
+    64: NAU7802Gain.NAU7802_GAIN_64,
+    32: NAU7802Gain.NAU7802_GAIN_32,
+    16: NAU7802Gain.NAU7802_GAIN_16,
+    8: NAU7802Gain.NAU7802_GAIN_8,
+    4: NAU7802Gain.NAU7802_GAIN_4,
+    2: NAU7802Gain.NAU7802_GAIN_2,
+    1: NAU7802Gain.NAU7802_GAIN_1,
+}
+
+NAU7802SPS = nau7802_ns.enum("NAU7802SPS")
+SAMPLES_PER_SECOND = {
+    320: NAU7802SPS.NAU7802_SPS_320,
+    80: NAU7802SPS.NAU7802_SPS_80,
+    40: NAU7802SPS.NAU7802_SPS_40,
+    20: NAU7802SPS.NAU7802_SPS_20,
+    10: NAU7802SPS.NAU7802_SPS_10,
+}
+
+NAU7802LDO = nau7802_ns.enum("NAU7802LDO")
+LDO = {
+    "2.4V": NAU7802LDO.NAU7802_LDO_2V4,
+    "2.7V": NAU7802LDO.NAU7802_LDO_2V7,
+    "3.0V": NAU7802LDO.NAU7802_LDO_3V0,
+    "3.3V": NAU7802LDO.NAU7802_LDO_3V3,
+    "3.6V": NAU7802LDO.NAU7802_LDO_3V6,
+    "3.9V": NAU7802LDO.NAU7802_LDO_3V9,
+    "4.2V": NAU7802LDO.NAU7802_LDO_4V2,
+    "4.5V": NAU7802LDO.NAU7802_LDO_4V5,
+    "EXTERNAL": NAU7802LDO.NAU7802_LDO_EXTERNAL,
+    "EXT": NAU7802LDO.NAU7802_LDO_EXTERNAL,
+}
+
+CONFIG_SCHEMA = (
+    sensor.sensor_schema(
+        NAU7802Sensor,
+        icon=ICON_SCALE,
+        accuracy_decimals=0,
+        state_class=STATE_CLASS_MEASUREMENT,
+    )
+    .extend(
+        {
+            cv.Optional(CONF_LDO_VOLTAGE, default="3.0V"): cv.enum(LDO, upper=True),
+            cv.Optional(CONF_SAMPLES_PER_SECOND, default=10): cv.enum(
+                SAMPLES_PER_SECOND, int=True
+            ),
+            cv.Optional(CONF_GAIN, default=128): cv.enum(GAINS, int=True),
+            cv.Optional(CONF_OFFSET_CALIBRATION, default=0): cv.int_range(
+                min=-8388608, max=8388607
+            ),
+            cv.Optional(CONF_GAIN_CALIBRATION, default=1.0): cv.float_range(
+                min=0, max=511.9999998807907
+            ),
+        }
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(i2c.i2c_device_schema(0x2A))
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)
+    await sensor.register_sensor(var, config)
+
+    cg.add(var.set_samples_per_second(config[CONF_SAMPLES_PER_SECOND]))
+    cg.add(var.set_ldo_voltage(config[CONF_LDO_VOLTAGE]))
+    cg.add(var.set_gain(config[CONF_GAIN]))
+    cg.add(var.set_gain_calibration(config[CONF_GAIN_CALIBRATION]))
+    cg.add(var.set_offset_calibration(config[CONF_OFFSET_CALIBRATION]))
+
+
+NAU7802_CALIBRATE_SCHEMA = maybe_simple_id(
+    {
+        cv.GenerateID(CONF_ID): cv.use_id(NAU7802Sensor),
+    }
+)
+
+
+@automation.register_action(
+    "nau7802.calibrate_internal_offset",
+    NAU7802CalbrateInternalOffsetAction,
+    NAU7802_CALIBRATE_SCHEMA,
+)
+@automation.register_action(
+    "nau7802.calibrate_external_offset",
+    NAU7802CalbrateExternalOffsetAction,
+    NAU7802_CALIBRATE_SCHEMA,
+)
+@automation.register_action(
+    "nau7802.calibrate_gain",
+    NAU7802CalbrateGainAction,
+    NAU7802_CALIBRATE_SCHEMA,
+)
+async def nau7802_calibrate_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+    return var
diff --git a/tests/components/nau7802/common.yaml b/tests/components/nau7802/common.yaml
new file mode 100644
index 0000000000..2501911a3f
--- /dev/null
+++ b/tests/components/nau7802/common.yaml
@@ -0,0 +1,13 @@
+sensor:
+  - platform: nau7802
+    id: test_id
+    name: weight
+    i2c_id: i2c_nau7802
+    gain: 32
+    ldo_voltage: "3.0v"
+    samples_per_second: 10
+    on_value:
+      then:
+        - nau7802.calibrate_external_offset: test_id
+        - nau7802.calibrate_internal_offset: test_id
+        - nau7802.calibrate_gain: test_id
diff --git a/tests/components/nau7802/test.esp32-ard.yaml b/tests/components/nau7802/test.esp32-ard.yaml
new file mode 100644
index 0000000000..73a4aa4251
--- /dev/null
+++ b/tests/components/nau7802/test.esp32-ard.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 16
+    sda: 17
+
+<<: !include common.yaml
diff --git a/tests/components/nau7802/test.esp32-c3-ard.yaml b/tests/components/nau7802/test.esp32-c3-ard.yaml
new file mode 100644
index 0000000000..769468f9ec
--- /dev/null
+++ b/tests/components/nau7802/test.esp32-c3-ard.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml
diff --git a/tests/components/nau7802/test.esp32-c3-idf.yaml b/tests/components/nau7802/test.esp32-c3-idf.yaml
new file mode 100644
index 0000000000..769468f9ec
--- /dev/null
+++ b/tests/components/nau7802/test.esp32-c3-idf.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml
diff --git a/tests/components/nau7802/test.esp32-idf.yaml b/tests/components/nau7802/test.esp32-idf.yaml
new file mode 100644
index 0000000000..73a4aa4251
--- /dev/null
+++ b/tests/components/nau7802/test.esp32-idf.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 16
+    sda: 17
+
+<<: !include common.yaml
diff --git a/tests/components/nau7802/test.esp8266-ard.yaml b/tests/components/nau7802/test.esp8266-ard.yaml
new file mode 100644
index 0000000000..769468f9ec
--- /dev/null
+++ b/tests/components/nau7802/test.esp8266-ard.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml
diff --git a/tests/components/nau7802/test.rp2040-ard.yaml b/tests/components/nau7802/test.rp2040-ard.yaml
new file mode 100644
index 0000000000..769468f9ec
--- /dev/null
+++ b/tests/components/nau7802/test.rp2040-ard.yaml
@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_nau7802
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml