Clock alarm temprture senseor and timer, all in one device using an arduino uno and RTC
Proximity Alarm with increasingly faster beeping like 'SONAR Radar'.
Make a door alarm circuit using 555 timer IC and a Hall effect sensor.
For the late risers, here's solution for you. It's a smart alarm that uses Integromat software and Bolt module which can be done in 10 mins.
The Motion Alarm 9000 will alert you when anyone enters your room.
In this project we will learn how to make a mini Alarm Warning using a mini PIR sensor and a M5StickC ESP32 board. Watch the video!
Make an affordable but smart Alarm system for your home, or any of your buildings. It can run up to 2 years just from batteries.
Add an alarm to a pipette tip box to warn you when you have left your pipette tips uncovered.
AC excess water level sensor using a reed switch and Hexabitz Speaker Module.
This project covers a battery monitor on an automotive relay form to check the voltage of any vehicle and set alarms at different levels.
System constantly detects temperature and movement variations. If at least one change is detected, a notification will be sent.
This project is an arduino clock and Calendar firmware+alarm with LCD shield. It shows hour, minute, second, temperature, year, month, day..
Check the entered password on the keypad, and send a message to a Telegram channel using cellular connection on the Pico LTE.
Build yourself an alarm that will sound if the fridge door is left open for too long.
Let a droid keep an eye on your appliance to let you know when it's finished cooking the rice, boiling the water, making the toast, etc....
Wake to any of 100's of MP3 messages from SDRAM. Scrolling display w/remote shows clearly w/o glasses. Temp too!
This is an hourglass alarm that uses PICO, LEDs, and a buzzer to notify you when your time ends.
DIY door alarm triggered by touch—even with gloves! Uses TTP223, IRFZ44N & 18650. Loud buzzer alerts, reset with one button.
Use NodeCode Studio and the NodifyMe Android app to build and monitor a motion alerting system.
Learn how to make a simple door alarm.
It's not a question of if a spy's MacBook will be searched (disturbed) but when. Destroy data locally then disable (shutdown).
Node JS IoT alarm system on an Intel® Edison, connected to the IoT using the IoT JumpWay Node JS MQTT Client.
Detecting movements with PIR sensor and sending a MQTT message. Another device will receive it and glow an LED if motion is detected
If you need to know when it's the right time to go to the bus stop, just by looking up, then this is the project for you!
