ad8307 swr-meter for esp32 This pcb is a companion to the ESP32 VFO, but can be used seperatly with any MCU like arduino, esp32, .. Based on Loftur E. Jónasson - TF3LJ / VE2LJX design, adapted for ESP32 https://sites.google.com/site/lofturj/power-and-swr-meter---rev
The code is an esp32 adaption of the SWR meter of Loftur E. Jonasson