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Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a Raspberry Pi, you won't find anything resembling an operating system here ...

Circuit diagram of Arduino based visitor alarm Arduino Uno operates off a 9V DC power supply. It is based on ATmega328 microcontroller and has 14 digital input/output pins, six analogue input pins, a ...

Display the current alarm time on the LCD; Set current alarm time in hour/minute/second; Turn on/off alarm; Leave the menu (return to default behaviour) Alarm goes off (indicated on the LCD) Using ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

The circuit of Arduino-based shadow alarm is shown in Fig. 1. It consists of an Arduino board, power supply, light-dependent resistor (LDR) sensor, buzzer, relay driver and a few other components.

This Arduino based Real time clock is a digital clock to display real time using a RTC IC DS1307 which works on I2C protocol. Real time clock means it runs even after power failure. When power is ...

Now it is very easy to build your own siren sound alarm, small enough to be carried in a garment pocket. This powerful audio-visual alert device is realized using the renowned Arduino platform. The 9V ...

He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

24 thoughts on “ Arduino-Powered Alarm System Has All The Bells And Whistles ” Johnny says: September 3, 2014 at 2:08 am Cool. I wonder ...