In this version I start to build up an Arduino version of the Wattmeter
The LDO regulator datasheet
http://ww1.microchip.com/downloads/en...
The git repo with the Eagle schematics and Arduino code
https://github.com/thaaraak/QST-Watt-...
Arduino Wattmeter is the board and schematic for the arduino version of the Wattmeter. RF Input is the AD8307 board.