RS-WM1 Wattmeter Shield

The RS-WM1 2 channel RF Wattmeter Arduino Shield provides precision analog reference voltage to an Arduino and connections for a 16x2 Character LCD. Add attenuators and directional couplers for extended range and SWR measurements.

Frequency: 1 - 500MHz
Range: 0.1mW - 2W
Accuracy: 0.3 dB with calibration

Check out the RS-WM1 tech site for details on how to build your wattmeter including access to download the Arduino sketch.

https://sites.google.com/site/rswm1site/home

Coming soon:

Directional coupler board
Arduino Touch Screen shield