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Xiphoray Zhang
Created September 28, 2017

Hodor

Hodor can be used in a hotel or at home. When somebody opens the doors or windows when you're sleeping, Hodor will warn you.

Work in progress85
Hodor

Things used in this project

Hardware components

Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
×1
SparkFun Triple Axis Accelerometer and Gyro Breakout - MPU-6050
SparkFun Triple Axis Accelerometer and Gyro Breakout - MPU-6050
×1
Pushbutton switch 12mm
SparkFun Pushbutton switch 12mm
×1

Software apps and online services

Android Things
Google Android Things

Story

Read more

Schematics

Hardwave connetion

Code

GetplaceData

Java
Get data of place at onCreate().
PeripheralManagerService peripheralManagerService = new PeripheralManagerService();
try {
	i2cDevice = peripheralManagerService.openI2cDevice(I2C_ADDRESS, PLACE_SENSOR_SLAVE);
	Place_X = i2cDevice.readRegWord(REGISTER_PLACE_X);
	Place_Y = i2cDevice.readRegWord(REGISTER_PLACE_Y);
	Place_Z = i2cDevice.readRegWord(REGISTER_PLACE_Z);
} catch (IOException e) {
	e.printStackTrace();
}

Checkplace

Java
Check if the Hodor is moved by other
if((abs(Now_X - Place_X) > Threshold_X) || (abs(Now_Y - Place_Y) > Threshold_Y) || (abs(Now_Z - Place_Z) > Threshold_Z)){
  Warning = true;
}

Credits

Xiphoray Zhang

Xiphoray Zhang

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