This article is about a simple and low cost project, which we call it is an Audio Controlled Mini AC Lamp Flasher circuit using an SCR. It works with audio signal, when music comes the lamp flashes and when sound increases the lamp glows more. So it follows the audio level for this the circuit […]
Audio Circuits
Simple Drummer Sound Circuit using IC 555
Today electronic sound circuits are very popular among the young generation. One such circuit which will benefit the beginners in electronic is a Simple Drummer Sound Circuit using IC 555. This circuit is made using IC 555 timer which is very cheap and easily available. It is widely used for sound and timing projects, so […]
Simple Two Transistor Buzzer Circuit
A buzzer is a small sound making device that is used in alarms, toys, and indicators. This Simple Two Transistor Buzzer Circuit is very simple and easy to make. It uses only two transistors and therefore, it is good for beginners. Also, it works with low voltage and because of this it is safe to […]
Bluetooth Controlled Police Siren Sound Circuit with Arduino
Nowadays, Arduino projects are very popular and they controls everything. They are easy to build and they are useful for learning electronics. This project is about Bluetooth Controlled Police Siren Sound Circuit with Arduino. Arduino UNO is the main controller and Bluetooth module is used for wireless control. With Bluetooth we can control lights and […]
9V Loud Speaker Sound Generator Circuit
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 […]
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 […]