This is perhaps the most simplest looking LED flasher that does not depend on any semiconductor. This LED blinker circuit utilizes ordinary passive components like a few resistors, a capacitor […]
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Light Emitting Diodes (LED) Explained
The full form of LED is Light Emitting Diode. LEDs are special type of semiconductor diodes which emit light in response to a potential difference applied across their terminals, hence […]
Light Meter Circuit with LED Bar Graph
In this post we will discuss 3 different light meter circuits for measuring power of light. In the first method we will use only a solar cell and a multimeter, […]
Temperature Controlled Relay Switch Circuit
In this article we discuss a simple temperature controlled relay circuit which can be switched ON/OFF depending on the temperature on its temperature sensor. Meaning, when the temperature on its […]
LED Oscilloscope Circuit
The simple LED oscilloscope circuit explained in this article can be used for analyzing low frequency waveform through a 10 x 10 LED matrix display. Due to the involvement of […]
How to Design Simple LED Driver Circuits
In this post we will discuss how to design your own customized, simple LED driver circuits at home. We will learn how to calculate specific LED configurations for applying the […]