Here is the tutorial for small circuit with big sound; this Op Amp 741 Sound Generator Circuit creates stable tone for hobby projects. The Op amp works like mini sound machine with no complex parts and with no hard wiring, just connect parts and enjoy instant sound in just few minutes. Also, this circuit is […]
Oscillator Circuits
Audio Sound Generator Circuit using IC 555
Want a simple sound maker? then make noise with this electronic circuit; this small circuit makes loud beep sound from speaker using only one 555 timer, then the circuit turns 9V battery into instant audio tone. Also, this Audio Sound Generator Circuit using IC 555 is easy to build and is great for learning. Circuit […]
Audio Oscillator Organ Circuit
This article is about small Audio Oscillator Organ Circuit, we can hold in our hand, as it plays simple notes and make funny tones; also it uses very simple parts and shows how oscillator make sound. Further, circuit shows how amplifier make sound big and it also works on low voltage which is safe for […]
Sound And Light Metronome Circuit using Transistors
Music needs rhythm and a metronome helps us keep that rhythm perfect; also this small project for Sound And Light Metronome Circuit using Transistors turns light into beat. When light changes then sound speed also change and hence, this project is simple, fun and easy to build. What is Metronome: Metronome is small device that […]
LED Blinking Circuit using 555 Timer
This is simple LED Blinking Circuit using 555 Timer, make LED ON and OFF again and again; its good for beginner to learn 555 timer working. Also, it needs few parts and run from 9V battery and is easy to make and is a small fun project. Circuit Working: Parts List: Components Values Quantity Resistors […]
Single Transistor Theremin Oscillator Circuit
Theremin is one very old electronic music instrument, which make strange space type sound without touching any part; when human hand move near antenna or plate then the pitch of sound changes. In addition, this happen because hand change the capacitance value near the circuit. Also, in this article we will show very small and […]





