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.

The buzzer project is quite simple and exciting, as it enables even a newbie to learn how to make use of the Arduino board in controlling the operation of a buzzer. By writing a small program, the ...

Simply connect a Qwiic cable and load up some pre-written code to an Arduino to start making noises! The board includes an ATtiny84 with custom firmware to control the magnetic buzzer over I2C.

In this article, we will differentiate between Active and Passive buzzers and also learn how to use active buzzers and passive buzzers with Arduino.

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 ...

The device also keeps track of temperature and humidity. The entire system can be controlled via a web interface. The Arduino serves a web page that allows the user full control over the alarm.

Shadow alarms are usually used for protection against theft. A shadow alarm is a device that sounds an alarm when a shadow falls on it. Described here is a simple circuit of an Arduino-based shadow ...

Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...

Fire security is the most essential parameter of any home, shop or workplace that must be taken care of in the first place. The most common cause of the fire is gas leakage. In this project, we are ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system.