So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS-520S HF ham radio. This post (and the video found after the break) doesn’t cover the entire project. It’s rather ...

This is an VFO for use with old Ham Radio transceivers and with QRPs. I'm intending to use on the Ararinha-QRP-Triband project that I posted the PCB here. It's a 10x10cm board with a nice all metal, ...