Basic Electronics
Water detector circuit | ওয়াটার ডিটেক্টর
This water detector circuit lights an LED when water stands in any surface. Don't let water stand. It is a habitat of aedes moquito and may cause dengue.
Read MoreDIY-Audio Amplifier | অডিও অ্যাম্পলিফায়ার
Make an audio amplifier with LM386,resistors,capacitors, speaker, audio jack and battery. Gain of this amplifier is 20.
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