Now, that we know the module is working lets proceed with interfacing Sound sensor with Arduino. The complete circuit diagram for the Arduino Whistle Detector Switch circuit using Sound Sensor is show ...

Now it is very easy to build your own siren sound alarm, small enough to be carried in a garment pocket. This powerful audio-visual alert device is realized using the renowned Arduino platform. The 9V ...

[Dzl] starts his write up with an explanation of how most oscillator based metal detectors work. This one differs by using an Arduino to read from the metal detecting coil. The circuit starts with ...

Upload the code into ATmega328 microcontroller on the Arduino board. Testing of the circuit is simple. Point LDR1 towards a light source such as bulb or tubelight. Using your hand, block the light ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...