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 […]
Arduino DC Motor Controller Circuit using MOSFET
This project is about controlling DC motor with Arduino and MOSFET. MOSFET is small electronic part but very strong which can handle big current. Arduino cannot drive big motor directly, so MOSFET help Arduino to run motor safely. This Arduino DC Motor Controller Circuit using MOSFET is simple, safe and cheap. Arduino Coding: Code Explanation: […]
Arduino Based 55W Halogen Light Controller Circuit
This circuit is used to control a Arduino Based 55W Halogen Light Controller Circuit. Arduino gives low voltage signal and MOSFET handles high voltage and high current. This circuit is useful for dimming, ON/OFF control and automation projects. Arduino Coding: Code Explanation: Circuit Working: Parts List: Component Name Value Quantity Resistor 1k 1/4 watt 1 […]
Soft ON Circuit for 12V Halogen Lamp
In this post halogen lamp draws very high current at switch ON. Cold filament resistance is very low and this causes sudden inrush current. Lamp life becomes short with this circuit protects lamp and it also protects outside fuse and switch indirectly. Soft ON Circuit for 12V Halogen Lamp reduces this problem. Lamp voltage rises […]
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 […]