====== Introduction ======
I am Larry Lu from Taipei.

It's my introduction.


===== Larry Lu =====

----

===== Hobby =====
----
  * Tennis
  * Woodworking
  * Travlling

===== Skill =====

----
  * C
  * Java
  * C#
  * Python
  * Php
  * OOP

===== Professional Knowledge =====

----
  * Dead Reckoning
  * Motion Sensors(Accelerometer, Gyroscope, Magnetometer)
  * Gnss
  * Android app(Bt, Ble, Gnss, Jni...)
  * Arm-based mcu (i2c, spi, uart)

===== Demo =====

----
==== Magnetometer Calibration ====
It can calibrate from raw data to the correct one

Blue point: magnetometer raw data

Red point: calibrated data

{{:screenshot_2016-10-03-17-27-14.png?400|}}

==== Human Detection ====
Using infrared array sensor, it can detect human

{{:human_detection.jpg?400|}}

==== Dead Reckoning ====

=== Vehicle dead reckoning ===

It can assist the vehicle going through the non-gps spot.

  * red: in the indoor parking space

{{:vdr.jpg?400|}}

=== Pedestrian dead reckoning ===

It can display pedestrian walking route and assist gps at non-gps or multi-path spot.

  * brown: walking route

{{:pdr.jpg?400|}}

=== Auto Car with Magnetometer ===

{{ :autocarwithmagnetometer.mp4 |}}