They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons. The goal here was to keep things as simple as ...

Some work by sensing sound, some send out light and sense ... PIR Pin “out” connects to Arduino Digital 2 Here is the Arduino code for the Parallax sensor int motion_1 = 2; int light_1 ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Trump overpowers Musk's ...

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He hooked up a microphone and a photodiode to the Arduino, allowing him to use both sound and light to trigger his camera, depending on which mode he selects. Of course, the Megavallometer still ...

Through the software uploaded to the Arduino, the output value gets recorded. The program says, basically: read the sound sensor data from ... I learned my code would keep writing out data ...

of the Arduino. Here is the test code that indicates the soil wet/dry conditions using just two LEDs (green & red). int GLED= 13; // Wet Indicator at Digital PIN D13 int RLED= 12; // Dry Indicator at ...

Visit the official Instructables project page to learn more about the Arduino sound meter and its construction. Full details and code have been provided enabling you to build your very own.

Now it is very easy to build your own siren sound alarm ... with the help of one pre-programmed Arduino chip (Atmega328P-PU)! For more details about this, go to Arduino PWM Led article. Code of this ...