A very simple darkness activated or night activated PIR lamp circuit project has been explained in the following article. Further in the article we also learn how to upgrade this circuit with an additional emergency lamp facility. This darkness activated PIR lamp will work as I have explained below: It will remain deactivated or disabled […]
Newly Updated Circuit Projects:
LED Arrow Direction Indicator Circuit
The arrow-shaped LED direction indicator circuit utilizing the 74LS164 based IC and a configuration of 14 LEDs arranged in the shape of an arrow is a captivating and visually appealing project designed to create an eye-catching display. This circuit is designed to illuminate the LEDs gradually, forming the shape of an arrow, and once the […]
LED String Series Resistor Calculator
Want to know the exact current limiter resistor value for a specific LED series string? You can now use this calculator toll to quickly get the precise LED series string resistor value. Calculator by homemade-circuits.com LED Series Resistor Calculator Supply Voltage (Volts) LED Forward Voltage (Volts) LED Current (mA) Number Of LEDs In Series Calculate […]
Build Customized 220V Flyback SMPS Circuits: 12V, 5A, 60W Example Discussed
In this post I will explain you all the simple formulas, step by step, which you can use for designing and building professional grade 220V AC SMPS flyback converter circuits. As we know the SMPS transformer is the heart of an SMPS design, so here we will learn all the steps, one by step, using […]
IC 4060 Pinouts Explained
Another versatile device, the IC 4060 has numerous applications and can be used for implementing various useful functions in an electronic circuit. Introduction Basically the IC 4060 is a oscillator/Timer IC and can be used for producing discretely variable accurate time intervals or delays. Alternatively it may also be used as an oscillator for acquiring […]
How to Use Transistors
If you have understood correctly, how to use transistors in circuits, you might have already conquered half of electronics and its principles. In this post we make an effort in this direction. Introduction Transistors are 3 terminal semiconductor devices which is able to conduct relatively high power across their two terminals, in response to a […]




