This Square and Triangle Wave Generator Circuit is a simple waveform generator, which gives two outputs at same time with one output is square wave and another output is triangle wave. Also, the circuit uses only one IC which uses few resistors and capacitors, so the cost is low and the circuit is easy to […]
Oscillator Circuits
9V Loud Speaker Sound Generator Circuit
This article explains a 9V Loud Speaker Sound Generator Circuit that is simple, low-cost, and operates from a 9V DC power supply. In addition, the circuit gives loud sound compared to simple buzzer, therefore it is useful for alarms, door bells, alerts and projects and also, the circuit uses common transistors, so beginners can build […]
Simple Transistor Oscillator Speaker Circuit
Many people think a buzzer is necessary to produce sound, but this circuit proves otherwise by generating sound with only a few components. This Simple Transistor Oscillator Speaker Circuit does not use a buzzer, instead, the transistors drive a small speaker directly, allowing the circuit to generate sound on its own. Moreover, it is very […]
Toy Organ Circuit using Transistors
This Toy Organ Circuit using Transistors show how electronic circuits can produce music with only a few components; also the circuit uses just two transistors and a few simple parts, so it requires no IC, no coding, and no complex components. When we press different push buttons, the circuit produces different sound tones, so it […]
50Hz Square Wave Generator Circuit using Transistors
This article is for 50Hz Square Wave Generator Circuit using Transistors, here, two transistors switch ON and OFF one by one and outputs blink opposite time. We used no ICs; we require only simple components, and this circuit also helps us understand the basic working of an oscillator. Also, we can change the resistor or […]
Transistor Based LED Alternator Blinker Circuit
This circuit is for simple Transistor Based LED Alternator Blinker Circuit; here, two LEDs blink one after another as this circuit uses two NPN transistors. This circuit is an astable multivibrator, also known as an oscillator circuit; also this project is ideal for beginners because it helps them learn transistor switching, and we can further, […]





