Add MAX17043 battery sensor support and related components

esphome/ha-remote/components/max17043/max17043.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace max17043 {
+
+class MAX17043Component : public PollingComponent, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+  void update() override;
+  void sleep_mode();
+
+  void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
+  void set_battery_remaining_sensor(sensor::Sensor *battery_remaining_sensor) {
+    battery_remaining_sensor_ = battery_remaining_sensor;
+  }
+
+ protected:
+  sensor::Sensor *voltage_sensor_{nullptr};
+  sensor::Sensor *battery_remaining_sensor_{nullptr};
+};
+
+}  // namespace max17043
+}  // namespace esphome