Simple 1.5V White LED Driver Circuit is like power translator; it takes power from battery and changes it to right voltage and current for LED. Furthermore, this helps LED shine bright and safe, but without driver LED may be it might dim or may burn. Circuit Working: Parts List: Components Values Quantity Resistors 33k, 470Ω […]
Hobby Circuits
Hearing Aid Circuit using 1.5V Battery
Hearing Aid Circuit using 1.5V Battery is small sound booster, which helps people with hearing loss and to hear better. Furthermore, it picks the weak sound and makes it louder in earphone, also this circuit works with one 1.5V battery. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) […]
Simple Gold Detector Circuit
This project is for Simple Gold Detector Circuit and it uses magnet and electric to find metal and even gold. Here, the electric goes fast back and forth and this make magnetic field in coil; and when metal come close then electric changes. Also, it is an fun project to learn about metal detector but […]
How to Convert a Speaker into a MIC Circuit
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 […]
Hand Grip Strength Tester Circuit
Do anyone want to test their grip strength? Like small hand wrestling with ourselves? So 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: 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 […]