This Simple Voltage Regulator Circuit using Transistor and Zener work like bodyguard for electricity. It uses one transistor like door keeper and one special Zener diode to keep voltage not going up-down. Zener diode gives fixed voltage and transistor follow that voltage to keep same for our device. This project is good when voltage goes […]
Alternate Red Green LED Flasher Circuit
This post show how to make a Alternate Red Green LED Flasher Circuit using red and green LED. It is fun and easy circuit, that is a reason so many people like this project. This circuit uses two BC547 transistor and they help red and green LED blink one by one. What is a Alternate […]
Simple Single Transistor LED Flasher Circuit
This Simple Single Transistor LED Flasher Circuit show smallest LED flasher circuit ever made. LED blink ON and OFF again and again by using only one transistor, one resistor and one capacitor. Just think of only one transistor and some easy parts and LED will start flashing, look nice! This is type of circuit one […]
Simple LED Flashlight Circuit (Torch Circuit)
This Simple LED Flashlight Circuit (Torch Circuit) is an easy circuit for beginner. It uses white LED, small battery and one push button. When press button is pressed the LED give bright light. It uses only 3 volt and small current of about 20 mA to give light at night. This is a good project […]
Automatic Day Night Switch Circuit
Saving electricity is very important and mostly in city where power is not enough. This article for Automatic Day Night Switch Circuit show how to make easy auto light switch. It turn ON or OFF light when outside light changes. This way people can save money on electric bill. What is a Automatic Day Night […]
Solar Inverter Circuit with Charger
This is a Solar Inverter Circuit with Charger. It uses sun power to give AC light at home. It charges battery from solar panel and make light with inverter. This type of circuits are good for small home use or where there is no electricity. Circuit Working: Parts List: Type Specification Quantity Resistors 100Ω, 15Ω […]