Requirements:
- avr-gcc @9.1.0_1 (cross, devel) ** The GNU compiler collection for avr
- avr-libc @2.0.0 (cross) ** C library for the AVR microcontroller.
- avrdude @6.3_2 (cross, devel) ** an Atmel AVR MCU programmer
Hardware docs: https://wiki.makerspaceleiden.nl/mediawiki/index.php/RadarBoardsSchipholControl
Intro on general AVR stuff: https://www.nongnu.org/avr-libc/user-manual/group__demo__project.html
See the images for the numbering scheme used in the hardware.