There aren’t a lot of surprises inside Alarmo. Below its 2.4-inch LCD screen, you’ll find the 24GHz mmWave presence sensor the alarm clock uses to detect your body movements and whether you ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...

For basic, all-in-one gadgets like the Phyn Smart Water Sensor Alarm, all you need to do is position it near the appliance or water pipes that you'd like to monitor for leaks.

And it works alongside the existing Ring Alarm system. The £35 Ring Alarm Glass Break Sensor can be placed in those areas – probably glass doors – and will listen out for the sound of glass breaking.

Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security ...

TYSONS, Va.--(BUSINESS WIRE)--Alarm.com (Nasdaq: ALRM) has developed the first cellular sensor with virtually no range limitations for monitoring valuable property and assets. The Alarm.com Flex ...

That’s right, these parking sensors are powered by an Arduino board, and the only extra components that were used in the project are a HC SR04 ultrasonic sensor, an active buzzer, and jumper wires.

This 13-year-old has developed guiding spectacles that can help visually and hearing-impaired people Priyabrata Sahoo’s innovation comes in two models, one with an ultrasonic sensor and a buzzer ...

Step 3: Working Of The Circuit The working of this circuit is very simple. At first, the state of the PIR sensor is set to LOW. it means that no motion is detected. When a motion will be detected by ...

This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno clones, has within it a watchdog timer that clicks over at a rate of ...