This article for How to Convert a Speaker into a MIC Circuit shows how to turn a speaker into a microphone. It uses the speaker to catch sound. The sound turns into a weak signal. A transistor circuit makes the signal stronger. The mic wont be very clear but it is a fun way to […]
Fog Horn Circuit
Ever wondered how fog horns make that deep, spooky sound? This Fog Horn Circuit is a small sound-making device. It uses electronics to make the low, rising and falling fog horn noise. People use these circuits for fun projects or to learn about electronics. Circuit Working: Parts List: Component Value/Type Quantity Resistors( All resistors are […]
Hand Grip Strength Tester Circuit
Do anyone want to test their grip strength? Like small hand wrestling with ourselves? This Hand Grip Strength Tester Circuit is a hand grip tester. It uses simple electronic parts to check how hard we can squeeze. More squeeze then more lights turn ON which shows our grip power. Circuit Working: Parts List: Component Value/Type […]
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 […]
How to use an LED as a Light Detector Circuit
LEDs mostly make light but they can also sense light! Like a secret power when light hits an LED the right way it makes a tiny bit of electricity. This is called the photovoltaic effect like a tiny solar panel. In this post for How to use an LED as a Light Detector Circuit 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. It takes strong signal from amplifier and changes it to fit the speaker so music […]