6V Gel Cell Charger Circuit

This is the diagram of 6V Gel Cell charger. The circuit is using NE555 timer as......

6-8A / 0-28V Variable Power Supply Circuit

This is the schematic diagram of variable power supply. The output voltage of......

Electronic Siren Circuit

This is the schematic diagram of electronic siren circuit. The sound produced......

Simple LM358 Mic Preamplifier

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This is a simple LM358 microphone preamplifier schematic diagram. The pre-amp circuit......