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 bridge rectifier (BR1), a 12V voltage regulator ...

We can’t expect a hi-fi system with an Arduino buzzer either ... It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other hand the ultrasound ...

The circuit diagram for the Arduino Buzz Wire Game ... A5 and A4 pins of Arduino while V CC and GND pin of the I2C module are connected to 5V and GND pin of Arduino. The positive rail of Buzzer is ...

The rain gauge module, which is shown in the circuit diagram is connected to the control ... the A0 pin is connected to the analog pin of Arduino, which makes monitoring the change in output easy. The ...

These alerts can be in the form of a siren, an alarm or a phone call. These security systems are very expensive and most of the people can not afford them if they want to install it on a small scale ...

The technology can indeed neutralize human disability; with this in mind let us use the power of Arduino and simple sensors to build ... We haven’t included the RF transmitter in our circuit diagram ...

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 ...

Dejan Nedelkovski has built a stylish DIY touchscreen Arduino music player and alarm ... it uses the BY8001 MP3 Player module and for the alarm clock it uses the DS3231 Real Time Clock module.

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...