NanoVNA V2 Plus4 Soil Moisture Sensor Module (Pack of 25) No signal means the path

No signal means the path is broken (open circuit)

22mm ProMax PPS22006WRL Metal Push Button Switch Waterproof Latching White

L999 ( White Silver )

and full Arduino IDE compatibility

NanoVNA V2 Plus4 Soil Moisture Sensor Module (Pack of 25) No signal means the pathNanoVNA V2 Plus4 The NanoVNA V2 Plus4 is a professional grade vector network analyzer (VNA) that measures S parameters, impedance, and transmission characteristics across RF and microwave frequencies with exceptional portability and affordability. RF engineers, antenna designers, filter manufacturers, and PCB technicians rely on this instrument to troubleshoot transmission line issues, optimize component matching networks, and validate circuit