Have you come out of a store and said to yourself, where did I park my car? Well, I have. Now, there are a lot of smartphone applications that can help you locate your car but smartphones are expensive.
So this Lazy Old Geek (L.O.G.) decided to make my own.
When you park your car, you press the button, car tracker calculates the car location GPS coordinates and stores them in EEPROM so the car tracker can be turned off. When you’re leaving a store looking for your car, the car tracker reads the new GPS and displays how far from your car you are and points in the direction of your car.
NOTE: This PCB was also used in MonkeyDogTracker Instructable:
It does not need an nrf24L01+ module and uses a different sketch.
The display module consists of several major components(purchased on ebay):
A Ublox NEO-6M GPS(see picture)
An LSM303DLHC magnetometer (see picture)
An LCD5110 display (see picture)
A custom Arduino PCB
A Lithium battery (see pictures)
For the battery, I selected a 3.7Vdc Lithium Ion battery also bought on ebay. This is a common type for replacement batteries for some smartphones and tablets. These come in various sizes and capacities. I had to solder a JST2.0 connector to the batteries. I hadn’t really decided on which one to use.
You can also use 18650 batteries.
For More Details: CarTracker
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- Arduino CarTracker