Forums Radionics built a auto speaker muting circuit for radio broadcast Re: built a auto speaker muting circuit for radio broadcast

#1253060
General Lighting
Moderator

    now updated using a relay to switch LED’s when the mic is live (even found a red fresnel lens for these from a old bike light what fell apart when I went over on some leftover railway tracks by the dockside and landed in a cold mud puddle)

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