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 […]
Audio Circuits
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 […]
Natural Bird Sound Generator Circuit using Transistors
This is a small Natural Bird Sound Generator Circuit using Transistors. The circuit uses two BC547 transistors, some resistors, capacitor and a speaker. It is simple for beginners and works on low voltage like 3V to 9V. Circuit is good for toys, hobby projects, alarms and for school projects. Circuit Working: Parts List: Item Value […]