This article for How to Convert a Speaker into a MIC Circuit shows how to turn a speaker into a microphone, as it uses the speaker to catch sound and the sound turns into a weak signal. Furthermore, this transistor circuit makes the signal stronger, but the mic wont be very clear but it is […]
Audio Circuits
Fog Horn Circuit
Ever wondered how fog horns make that deep, spooky sound? In the same way, this Fog Horn Circuit is a small sound-making device that uses electronics to produce the low, rising and falling fog horn noise. Moreover, people use these circuits for fun projects as well as for learning electronics. Circuit Working: Parts List: Components […]
Simple Guitar Fuzz Circuit
Imagine we play guitar but we want loud, fuzzy, buzzing sound which is not clear; so a Simple Guitar Fuzz Circuit is like small monster in a box. It changes our normal sound and makes it fuzzy, noisy or roaring; rock and blues players use this as it comes in small box with buttons we […]
Simple Speaker Audio Output Transformer Circuit
Imagine our voice is strong but we whisper through a tiny straw to reach our far friend but it wont work. Same is in circuit for Simple Speaker Audio Output Transformer Circuit which works like a megaphone for sound signal. Furthermore, it takes strong signal from amplifier and changes it to fit the speaker so […]
Simple Two Transistors Amplifier Circuit using 1.5V Battery
This Simple Two Transistors Amplifier Circuit using 1.5V Battery works like loudspeaker for small sounds, as it uses 2 small parts called transistors and 1.5V battery to make weak sound strong. Also, it is simple mini amplifier which are good for small projects for making music sound better. Circuit Working: Parts List: Components Values Quantity […]
Signal Injector Circuit
Signal Injector Circuit is small tool for electronics, which send special signal inside the circuit; as this help to find problem or see where signal goes. People mostly use it in sound and radio circuits; however, they can also use it in other circuits. Circuit Working: Parts List: Components Values Quantity Resistors 100k 1/4 watt […]





