Electricity had become one of the most essentials in life. The need for electricity keeps increasing. It has become a challenge to maintain this service evenly to everyone around the world. The high ...

The other day, I was casually scrolling through Google when I stumbled upon a flood of dirt-cheap RC snubber circuit modules on various online stores. That got me thinking—it’s high time we talk about ...

This second triode drives the optocoupler, which is actually a sealed unit containing a neon bulb and a light-dependent ...

There are two LDR sensors: One on the right, paired with a blue LED. One on the left, paired with a white LED. The system continuously compares the light levels detected by both sensors. Behavior: If ...

This paper introduces a new floating simulator suitable for realizing frequency dependent negative resistor (FDNR). The introduced FDNR uses three current feedback operational amplifiers and a ...

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Automatic Anchor Light Circuit and Working The circuit described here (refer to Fig. 3) lets you control an electromagnetic relay so that it turns on a white LED light when the preset light level is ...

It's ideal for building automatic night lights or light-sensitive systems. Light-Activated LED using LDR and Arduino This Arduino project uses a Light Dependent Resistor (LDR) to automatically turn on ...