The shooting terms of the field wass gathered with temperature and air pressure sensors, wind direction and wind speed sensor, electronic compass and GPS receiver.
This paper based the "Compass I" time-service receiver project of some navigation department.
本论文以某导航研发部门的“北斗一号”授时型接收机项目为基础。
3
Hardware designs the interface circuit between ATmegal280 and GPS. electronic compass, inclinometer, beacon receiver or digital tuner, including DC motor drive, button, display peripheral circuits.