Rangkaian Alat Bantu PendengaranThis circuit, connected to 32 Ohm impedance mini-earphones, can detect very remote sounds. Useful for theatre, cinema and lecture …
Water Activated Alarm Using IC 555 CircuitThis Water Activated Alarm circuit uses a NE555 timer wired as an astable oscillator and powered by the emitter current of the tra…
LM390 Simple 2-Way intercom CircuitThis is a very simple two way intercom circuit based on a LM390 audio amplifier circuit . the intercom circuit is a stand-alone el…
30W Mini Mosfet Amplifier This mini mosfet amplifier project was a sort of challenge: designing an audio amplifier capable of delivering a decent output po…
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