Making and testing a Low Power SWR Meter.
The project description at https://www.lloydm.net/Demos/swr.html
includes construction and calibration details, as well a link to
the Arduino Nano sketch. 73, WA4EFS
00:00 - Start 00:47 - SWR Bridge 1:59 - Calibrating 2:56 - Microcontroller 4:11 - Display 4:44 - Usage Example 5:57 - Ten Minute Transmitter 7:00 - Digression 7:36 - Back to QRPp 8:51 - Wrap-up