Lars DIY GPSDO with Arduino and 1ns resolution TIC
GPS Frequency Standard
Ondra OK1CDJ/OL0M🇨🇿/SV0SYH/J42T🇬🇷 on X: "4 port generator based on #SI5351 and #Arduino with internal crystal or external clock input (#GPSDO). Configuration is over serial CLI. Hope that FW will be finished soon.. #