Im new to Arduino and need to upload the gbrl_v1.f .hex file into my Arduion so I can run the LaserGRBL program. Can some one help me?

This article is all about arduino as isp. If you want to upload hex file or if you want to set your fuse in AVR then you no need to buy a programmer, you can do it with arduino. In this article i have ...

But these Arduino-compatible platforms are far from the only microcontrollers available. The flash-based PIC family of microcontrollers is another popular choice.