# XCTRACK_vario
USB variometer for XCTRACK base on ms5611 high precision pressure sensor and LK8000

Based on Arduino Vario by Benjamin PERRIN 2017 / Vari'Up
Based on Arduino Vario by Jaros, 2012 and vario DFelix 2013
https://github.com/LK8000/LK8000/blob/master/Docs/LK8EX1.txt

parts :
- arduino nano with ftdi chip ( or ch340g chip since xctrack 0.9.3)
- ms5611 pressure sensor
- usb mini - micro OTG cable, depends on your phone
https://my.aliexpress.com/wishlist/shared.htm?groupId=100000009108834

- PLA box 3D printing
https://cad.onshape.com/documents/8ec970df0f91cd7f4dafb0b8/w/81f5e80ab2d84901aa8e29be/e/2df0103f0eb100d6330b3609

![alt text](https://raw.githubusercontent.com/dvarrel/XCTRACK_vario/master/img_xctrack512.jpg)

![alt text](https://raw.githubusercontent.com/dvarrel/XCTRACK_vario/master/vario_MS5611.png)

![alt text](https://raw.githubusercontent.com/dvarrel/XCTRACK_vario/master/img_usb-mini_soldered.jpg)

![alt text](https://raw.githubusercontent.com/dvarrel/XCTRACK_vario/master/img_usb-c_soldered.jpg)