This article for Simple Adjustable Oscillator Circuit using Two Transistors show how to make small sound circuit using only two transistors! When we turn the knob the sound goes high like beep or low like growl. We can use four AA battery or small wall power to run this circuit. Try this easy experiment to […]
Transistor Circuits
Latch Circuit using Transistors
This article for Latch Circuit using Transistors talk about how to make a small electric switch. This switch stay ON even after signal goes OFF. It does not cost much and is easy to make. It uses transistor and some other parts. If someone gives small signal to turn it ON it stay ON and […]
Set Reset Latch Circuit using Transistors
This Set Reset Latch Circuit using Transistors tell us how to make an easy electric switch with two ON/OFF using two transistors. Some special switch like SR latch is used in many devices for keep data safe even when power goes OFF and come ON again. Transistors like BC547 and BC557 mostly used in this […]
Simple Adjustable Power Supply Circuit using Two Transistors
This Simple Adjustable Power Supply Circuit using Two Transistors is a simple power supply circuit. It can change the output voltage by using two transistors like BD140 and MJ2955 to control the voltage. What is a Adjustable Power Supply Circuit: Adjustable power supply circuit is an electric circuit which uses two transistors to change and […]
Long Duration Timer Circuit using Two Transistors
Do anyone wants to make a timer? Timer can turn something ON or OFF after 2 or 3 hour? This article for Long Duration Timer Circuit using Two Transistors show how make simple timer using only 2 transistors. This project is very nice and good for people who want to learn electronics and also to […]
How to Build a Simple Solar Cell Circuit using a 2N3055 Transistor
Anyone wants to know how solar panel work? We can try How to build a Simple Solar Cell Circuit using a 2N3055 Transistor at home which is possible. If we like electronics and know transistor then we will enjoy this project. This model is not big and cannot give power to house but very good […]