i hope your well according to my heading, i need simple circuit
that will transmitte a/v signal within 15 m range and its operate
in vhf band ,channel 3 applied, together with technical description
how it operates .also if possible i need a cost estimatimation for construct
prototype
regard
thabit ahmada

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please,assist me to make a circuit that will detect that there is water in a mixture of water/fuel and if possible tthe volume of that water.