Getting a “Hello World” with the GNU GCC toolchain, for times when the Arduino libraries get in the way.
Full instructions: hello_uno.pdf
# build
git clone https://github.com/dsnider0909/hello_arduino.git
cd hello_arduino/uno
make
Full instructions: hello_mega.pdf
# build
git clone https://github.com/dsnider0909/hello_arduino.git
cd hello_arduino/mega
make