"12v-to-5v"-tagged Public Circuits

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12v to 5v 100 mA Linear Regulator PUBLIC A small, quiet, and simple regulator circuit to provide correct bias voltage to a dynamic microphone when replacing an electret microphone for amateur radio use. by w6wwr | updated August 22, 2025 12v-to-5v   78l05   linear   regulator   voltage-regulator

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