firmware/src/modules/Telemetry/Sensor/INA219Sensor.h

#if HAS_TELEMETRY

#include "../mesh/generated/meshtastic/telemetry.pb.h"
#include "TelemetrySensor.h"
#include "VoltageSensor.h"
#include <Adafruit_INA219.h>

class INA219Sensor : public TelemetrySensor, VoltageSensor
{
  private:
    Adafruit_INA219 ina219;

  protected:
    virtual void setup() override;

  public:
    INA219Sensor();
    virtual int32_t runOnce() override;
    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
    virtual uint16_t getBusVoltageMv() override;
};

#endif