Megaphone small lightweight portable size, 5-watt sound for your use at any time. Neck pain because it does not require voice than usual. Operation of the circuit. When you press the switch circuit S1 is working but no sound came out. When the audio signal to MIC1, a condenser microphone. This allows audio signals are [...]
This be IC Amplifier circuit 2 Watt size by using integrated circuit the circuit amplify to model to is inexpensive number LM380 – 14 sizes are leg. It will give power to electricity enough work , for the project of small-sized stereo ,and seeking dot lose of the stereo. It is OTL Amplifier. The Pin [...]
This be Water Sensor Alarm Circuit for warn the water level , by when sensor point touch the water. The circuit have a voice loud warn hear immediately. By this circuit uses the integrated circuit LM380 , usual use be power amplifier IC the small-sized , seek buy easy , be usable not difficult. For [...]
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