DIY Arduino Alarm Clock Device
https://maker.pro/arduino/projects/diy-arduino-alarm-clock-device
Learn how to make a DIY Arduino Alarm Clock Device using RTC DS3231 module.
How to Make an Arduino Alarm Clock Using a Real-Time Clock and LCD Screen
https://maker.pro/arduino/projects/arduino-alarm-clock-using-real-time-clock-lcd-screen
Make your own Arduino alarm clock using a DS3231 real-time clock module.
DIY WS2812 Analog style Arduino Ring Clock
https://maker.pro/arduino/projects/diy-ws2812-analog-style-arduino-ring-clock
This is an analog-style digital clock with multiple display states, a 24-hour alarm, a countdown alarm, multiple alarm display states...
How to Make an Arduino Door Alarm Using an Ultrasonic Sensor
https://maker.pro/arduino/projects/arduino-door-alarm-using-ultrasonic-sensor
Use an Arduino and an ultrasonic sensor to make a door alarm that sounds when someone comes within a certain distance.
How to Make an IoT Smoke Alarm With Arduino, ESP8266, and a Gas Sensor
https://maker.pro/arduino/projects/iot-smoke-alarm-arduino-esp8266-gas-sensor
Use an Arduino, an ESP8266, and a gas sensor to make an IoT smoke alarm.
Door Alarm using Arduino
https://maker.pro/arduino/projects/door-alarm-using-arduino
Security is a major concern so we have designed a door alarm system to recognize the presence of anybody at the door.
How to Make an Earthquake Early Warning Alarm
https://maker.pro/arduino/projects/earthquake-alarm-system
Make an earthquake early warning system with an Arduino, littleBits, Ruby, and PubNub.
Monitored home alarm
https://maker.pro/anduino/projects/monitored-home-alarm
An arduino uno runs an alarm monitor program that allows input from either a 4x3 touch panel or from the base/rover cell phone. The monitor program looks for a closed intruder circuit and raises an alarm to the base/rover cell phone.
Rain Detection Alarm System using AtTiny85
https://maker.pro/arduino/projects/rain-detection-alarm-system-using-attiny85-1
In this tutorial, we are going to discuss Rain Detection Alarm System using AtTiny85