The “Hee Haw” Siren Circuit is a fun sound project that makes a high and low noise like “Hee Haw” instead of one long sound. It is made using simple electronic parts like resistors, capacitors and transistors or sometimes ICs. The pitch of the sound goes up and down again and again. We can find […]
Audio Circuits
Simple Guitar Fuzz Circuit
Imagine we play guitar but we want loud, fuzzy, buzzing sound which is not clear. 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 press […]
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. It takes strong signal from amplifier and changes it to fit the speaker so music […]
Signal Injector Circuit
Signal Injector Circuit is small tool for electronics. It send special signal inside the circuit. This help to find problem or see where signal goes. Mostly it is used in sound and radio circuit but can use in other circuit also. Circuit Working: Parts List: Category Item Quantity Resistors 100k 1/4 watt 2 10k 1/4 […]
Simple LM317 Audio Amplifier Circuit
This Simple LM317 Audio Amplifier Circuit is a kind of like small trick for make speaker sound louder. LM317 chip usually is used to control voltage but here it works like small music booster amp. Not very strong amp but still help give little more sound from the music source. It can work, yes but […]
3 Band Audio Equalizer Circuit
This 3 Band Audio Equalizer Circuit work like small knob to control the music. We can change bass with low sound, mid with voice and instruments and treble with high sound to make music how we like. So music can sound better for us by depending on type of music or room we are in. […]