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Query: arduino power and swr meter
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This sketch will read RF power and SWR from any SWR bridge, designed to work on VHF UHF bands
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Power and SWR Meter with dual bargraphs and sticky bar, using 2x AD8307
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Inline RF Power & VSWR Meter. A DIY meter 0 to 30 Watt with Average and Peak. Circuit Description, Arduino Nano software code and part list to DIY your own Digital SWR Meter
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The circuit is based on two AD8307 log amplifiers, which are connected to the forward and reflected ports on a directional coupler