This article explains about a 9V Loud Speaker Sound Generator Circuit. It is simple and is with low cost and it works on 9V DC power supply. It gives loud sound compared to simple buzzer. Therefore it is useful for alarms, door bells, alerts and projects. Here, common transistors are used so beginners can build […]
Audio Circuits
Simple Transistor Oscillator Speaker Circuit
Sound can be made using very few parts so many people think a buzzer is needed to make sound. However, this circuit proves something different. In this Simple Transistor Oscillator Speaker Circuit no buzzer is used. Instead a small speaker is driven by transistors and therefore the circuit itself creates sound. Moreover, it is very […]
Toy Organ Circuit using Transistors
Sound can be made using very few electronic parts. This Toy Organ Circuit using Transistors shows how music is made electrically. The circuit uses only two transistors and simple components. So here no IC, no coding and no complex parts are needed. When different push buttons are pressed the different sound tones are produced. Because […]
Mini Condenser Microphone Amplifier Circuit
This Mini Condenser Microphone Amplifier Circuit is low cost project. It helps condenser mic give clear output by making weak mic sound more strong. It improves voice signal from condenser mic and gives circuit a good audio gain. The circuit works with small 9V battery supply and no IC is needed in this design. Anyone […]
Op Amp 741 Sound Generator Circuit
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. This circuit is good […]
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. The circuit turns 9V battery into instant audio tone. This Audio Sound Generator Circuit using IC 555 is easy to build and is great for learning. Circuit Working: Parts […]





