IotCeption - Energy Measurement of Android Things on Raspberry PI 3 with Arduino Uno
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1. The document discusses measuring energy usage of an Android Things project on a Raspberry Pi 3 using an Arduino Uno and INA219 sensor. It describes connecting the sensor to measure voltage, current and power usage, and reading the sensor data on the Arduino and into a Go program. 2. The project being measured consists of a Raspberry Pi 3 with screen, Ethernet, and USB power running an Android Things program with a Rainbow HAT add-on. Autonomy of the system is estimated based on measured power usage and battery capacity. 3. The conclusion emphasizes the importance of measurement for energy optimization and provides contact information for energy-related questions.
![IotCeption
Energy Measurement of Android Things
on Raspberry PI 3 with Arduino Uno
[Olivier Philippot - @simplygreenit]](https://image.slidesharecdn.com/slideiot-170413140050/85/IotCeption-Energy-Measurement-of-Android-Things-on-Raspberry-PI-3-with-Arduino-Uno-1-320.jpg)
IotCeption - Energy Measurement of Android Things on Raspberry PI 3 with Arduino Uno
- 5. In Classical Android import android.os.BatteryManager; import android.content.Context; BatteryManager mBatteryManager = (BatteryManager)Context.getSystemService(Context.BATTERY_SERVICE); Long energy = mBatteryManager.getLongProperty(BatteryManager.BATTERY_PROPERTY_ENERGY_COUNTER); Slog.i(TAG, "Remaining energy = " + energy + "nWh");
- 6. Energy ...
- 9. In real life
- 10. Android Things
- 13. Arduino to measure Arduino IDE + INA219 Library (C) shuntvoltage = ina219.getShuntVoltage_mV(); busvoltage = ina219.getBusVoltage_V(); current_uA = ina219.getCurrent_mA()*1000; loadvoltage = busvoltage + (shuntvoltage / 1000); poweruWh = loadvoltage * current_uA; Serial.println(poweruWh); delay(100);
- 15. Serial reading in golang In Arduino program : Serial.begin(115200); Serial library in Go: github.com/goburrow/serial flag.StringVar(&address, "a", "/dev/ttyACM0", "address") flag.IntVar(&baudrate, "b", 115200, "baud rate") flag.IntVar(&databits, "d", 8, "data bits") flag.IntVar(&stopbits, "s", 2, "stop bits") flag.StringVar(&parity, "p", "N", "parity (N/E/O)")
- 18. Results