Tag: timer – Page 12

In this tutorial, we are developing a multipurpose vibration-sensing alarm that senses vibration and sounds an alarm. The circuit is very se…

In this tutorial, we are demonstrating a project on a Mobile Phone Detector. The mobile phone detectors are generally pocket-size versatile…

Astable Multivibrator circuit mode for 555 timer IC is also called Free running or self-triggering mode. It doesn’t have any stable state it…

What are Frequency Dividers? Frequency Divider Circuit is a circuit that divides the input frequency by n (any integer number), which means…

What is Strobe Light? A strobe light or a stroboscopic lamp is one that can produce regular flashes of light. So in this tutorial, we are go…

What is a Voltage Doubler? The Voltage Doubler is the circuit where we get twice 2x of the input voltage if we supply 5v, we will get 10 vol…

The fridge door alarm circuit is used to sense the status of the door opening OR closing. When the door opens for a long time this circuit t…

What is Roulette? Roulette is a casino game named after the French word meaning little wheel. In this game, players may choose to place bets…

What is a Timer? A Timer is a control device that outputs a signal at a preset time after an input signal is received. So in this tutorial…

A Panic alarm is a simple electronic circuit that allows a person under stress to quickly & safely call for help in case of an emergency. Pa…

In Electronics, Digital Code Locks are very popular. These electronic code locks have uses for security purposes where you need to enter a p…

We have seen vehicles turning indicators when they turn left or right and it looks cool and can be made without any microcontroller. So In t…

PWM (Pulse Width Modulation) is an essential feature of today's microcontroller because of the need to control many devices in almost every…

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