This article is for 50Hz Square Wave Generator Circuit using Transistors. Two transistors switch ON and OFF one by one. Outputs blink opposite time. No IC is used only simple parts are required. We can change resistor or capacitor to change speed. This circuit is good to learn basic oscillator working. Circuit Working: Parts List: […]
Transistor Circuits
Transistor Based LED Alternator Blinker Circuit
This circuit is for simple Transistor Based LED Alternator Blinker Circuit. Two LEDs blink one after another as this circuit uses two NPN transistors. This circuit is an astable multivibrator, which is also called an oscillator circuit. This project is good for beginners an it is used for learning transistor switching. It can be used […]
12V Mini Inverter Circuit using Transistor TIP41
This 12V Mini Inverter Circuit using Transistor TIP41 is a simple micro inverter. It converts 12V DC battery power into AC power where the AC output is with low power. It is useful for learning and for small experiments and it can light small AC load like night bulb. This circuit uses two TIP41 transistors […]
DIY Inverter Circuit using Transistors
In this tutorial we will learn about easy inverter circuits. Anyone can understand and build it. Only few parts are needed with no IC and no complex design. Just two power transistors and a transformer. It converts 12V battery power into AC supply which is good for beginners and DIY lovers. Best for learning how […]
Simple 9V Transistor Inverter Circuit
This is Simple 9V Transistor Inverter Circuit using 9V battery. The circuit is very small and easy to make which helps to understand DC to AC working. Only few low cost parts are used and its output power is very low. It is only for testing and learning. This circuit is useful for students and […]
Simple Transistor Based Touch Switch Circuit
This article is about is a Simple Transistor Based Touch Switch Circuit. It works when finger touches the pad with no push button used. Human body gives small signal and circuit senses this signal. Two NPN transistors are used and one LED is used as output. Circuit works with only 3V supply which is very […]