IV-27M Alarm Clock Project date: March 2019 – May 2019 Overview After the successful completion of the XIV Nixie Clock which was Direct/Static Driven, I was keen to start work on a new clock which was based on the Multiplexing(Dynamic) or “MUX” principle of operation, known also as “Muxing”. The new clock would be based […]
Rk Clean Air is a gas responded device that is capable of monitoring gas leakage, smoke, and carbon monoxide leakage in the home. According to the National Fire Protection Association, “Three of every five home fire deaths resulted from fires in homes with no smoke alarms (38%) or no working smoke alarms (21%) and the death rate
RK Clean Air – A Gas, Smoke, and Carbon Monoxide Detector Read More »
In this tutorial I will be teaching you how you can build your own Laser Tripwire Security System at home! You will need the following components and materials: LED light Laser Module Laser Sensor Module Speaker or Piezo Buzzer 2 Small Breadboards with sticky tape on the back Arduino Breadboard wires USB Cable (to program
DIY | Easy Arduino Laser Tripwire Security System! Read More »
Most technology Instructables are fun to construct, and often easy to build. This is one that shares those features, but also solves a practical problem we had. To prevent fading of furniture, carpet, and the wood flooring in our foyer, my spouse and I installed one-way blackout shades. However, after installation and use, a problem
Sunlight Detection Alarm Read More »
Over the Christmas break, my parents were out of town to celebrate the holidays. When they came back, they saw something every homeowner fears – a flooded basement. In a basement, there are pipes that collect water from around the foundation and bring it into the sump pit, which pumps it out away from the
Creating a Smart Water Sensor with the ESP32 Thing Read More »
This Arduino based visitor alarm is useful for offices, clinics and shops. It alerts you to the entry of a visitor by producing a beep sound every time the door is opened. The alarm automatically switches off after a few seconds. Circuit and working Circuit diagram of the Arduino based visitor alarm is shown below.
Arduino-based Front Office Visitor Alarm Read More »
See when your kids move their presents! Detector sets off an audio alarm and sends an alert directly to your phone! Things used in this project Hardware components Arduino MKR1000 × 1 Solderless Breadboard Half Size × 1 Jumper wires (generic) × 1 Adafruit Piezo × 1 Adafruit Lipo Battery 1200mAh × 1 Software apps
Christmas Presents Intruder Detector Read More »
This is an alarm system based on the MKR1000 and a raspberry pi 2 or 3. The system will detect different alarms and notify you if necessary. Things used in this project Hardware components Arduino MKR1000 × 1 Raspberry Pi 2 Model B × 1 Software apps and online services Microsoft Windows 10 IoT Core
Wide Range Alarm System Read More »
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 alarm. This compact shadow alarm unit is capable of sensing a moving shadow in a restricted area, and can be
Build An Arduino-Based Shadow Alarm Read More »
The objective of our project was to create an alarm system that could detect an intruder using an IR motion sensor. We used a keypad so the user could enter their password to arm and disarm the system. We also included an LCD so that users would be informed which state the alarm system was
