Arduino Gps GPX Format Tracker

i've made simple gps tracker based on arduino. it can write track into GPX format

Track file is stored in the folder named by the current date, and file name is start tracking time

Gps module controlled with TinyGPS library

Gps points stores every 1 second

Keep in mind that you should use dc-dc to 5v step up module to use 18650 barttery

sketch is attached

Have fun!