RS-WM1 Wattmeter Shield 1") PCB module that contains

1") PCB module that contains an Analog Devices AD9833 DDS chip

Wide range input voltage (3

3V serial lines for direct connection to ARDUINO and RASPBERRY PI

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Full HF coverage of 160-10M amateur bands

RS-WM1 Wattmeter Shield 1") PCB module that containsThe 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