DIY launchpad with Atmega328p-AU
avr-gcc -Os -DF_CPU=8000000 -mmcu=atmega328p -c src/main.c
avr-gcc -DF_CPU=8000000 -mmcu=atmega328p -o name.elf main.o
avr-objcopy -O ihex name.elf name.hex
sudo avrdude -c usbasp -p atmega328p -U flash:w:name.hex
DIY launchpad with ATmega32U4
DIY launchpad with Atmega328p-AU
avr-gcc -Os -DF_CPU=8000000 -mmcu=atmega328p -c src/main.c
avr-gcc -DF_CPU=8000000 -mmcu=atmega328p -o name.elf main.o
avr-objcopy -O ihex name.elf name.hex
sudo avrdude -c usbasp -p atmega328p -U flash:w:name.hex